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25265125 = 53202121
BaseRepresentation
bin110000001100…
…0001111100101
31202112121020101
41200120033211
522431441000
62301304101
7424515154
oct140301745
952477211
1025265125
1113297076
128565031
135307aa2
1434d959b
152340e6a
hex18183e5

25265125 has 8 divisors (see below), whose sum is σ = 31531032. Its totient is φ = 20212000.

The previous prime is 25265101. The next prime is 25265131. The reversal of 25265125 is 52156252.

It can be written as a sum of positive squares in 4 ways, for example, as 34596 + 25230529 = 186^2 + 5023^2 .

It is not a de Polignac number, because 25265125 - 27 = 25264997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25265093 and 25265102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100936 + ... + 101185.

It is an arithmetic number, because the mean of its divisors is an integer number (3941379).

Almost surely, 225265125 is an apocalyptic number.

25265125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25265125 is a deficient number, since it is larger than the sum of its proper divisors (6265907).

25265125 is an equidigital number, since it uses as much as digits as its factorization.

25265125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202136 (or 202126 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 25265125 is about 5026.4425790016. The cubic root of 25265125 is about 293.4317815500.

The spelling of 25265125 in words is "twenty-five million, two hundred sixty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 202121 1010605 5053025 25265125