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9925025 = 5211217193
BaseRepresentation
bin100101110111…
…000110100001
3200200020120112
4211313012201
510020100100
6552421105
7150234635
oct45670641
920606515
109925025
115669900
1233a7795
1320966c6
141464dc5
15d10b35
hex9771a1

9925025 has 36 divisors (see below), whose sum is σ = 14397516. Its totient is φ = 6758400.

The previous prime is 9925021. The next prime is 9925031. The reversal of 9925025 is 5205299.

9925025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 165649 + 9759376 = 407^2 + 3124^2 .

It is not a de Polignac number, because 9925025 - 22 = 9925021 is a prime.

It is a super-2 number, since 2×99250252 = 197012242501250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9924982 and 9925000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9925021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51329 + ... + 51521.

It is an arithmetic number, because the mean of its divisors is an integer number (399931).

Almost surely, 29925025 is an apocalyptic number.

It is an amenable number.

9925025 is a deficient number, since it is larger than the sum of its proper divisors (4472491).

9925025 is a wasteful number, since it uses less digits than its factorization.

9925025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 9925025 is about 3150.4007681563. The cubic root of 9925025 is about 214.9036886097.

The spelling of 9925025 in words is "nine million, nine hundred twenty-five thousand, twenty-five".

Divisors: 1 5 11 17 25 55 85 121 187 193 275 425 605 935 965 2057 2123 3025 3281 4675 4825 10285 10615 16405 23353 36091 51425 53075 82025 116765 180455 397001 583825 902275 1985005 9925025