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25260825 = 352379103
BaseRepresentation
bin110000001011…
…1001100011001
31202112101100010
41200113030121
522431321300
62301232133
7424466502
oct140271431
952471303
1025260825
1113293917
128562649
135305b45
1434d7ba9
15233ea50
hex1817319

25260825 has 24 divisors (see below), whose sum is σ = 42898048. Its totient is φ = 13106880.

The previous prime is 25260799. The next prime is 25260839. The reversal of 25260825 is 52806252.

It is not a de Polignac number, because 25260825 - 28 = 25260569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25260792 and 25260801.

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 23 ways as a sum of consecutive naturals, for example, 1777 + ... + 7326.

Almost surely, 225260825 is an apocalyptic number.

25260825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25260825 is a deficient number, since it is larger than the sum of its proper divisors (17637223).

25260825 is a wasteful number, since it uses less digits than its factorization.

25260825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153 (or 9148 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 25260825 is about 5026.0148228990. The cubic root of 25260825 is about 293.4151337236.

The spelling of 25260825 in words is "twenty-five million, two hundred sixty thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 37 75 111 185 555 925 2775 9103 27309 45515 136545 227575 336811 682725 1010433 1684055 5052165 8420275 25260825