25365560 has 32 divisors (see below), whose sum is σ = 62262000. Its totient is φ = 9223680.

The previous prime is 25365559. The next prime is 25365563. The reversal of 25365560 is 6556352.

It is a super-2 number, since 2×25365560² = 1286823268227200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25365563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28385 + ... + 29264.

Almost surely, 2^25365560 is an apocalyptic number.

25365560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25365560 is an abundant number, since it is smaller than the sum of its proper divisors (36896440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25365560 is a wasteful number, since it uses less digits than its factorization.

25365560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57671 (or 57667 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 25365560 is about 5036.4233340735. The cubic root of 25365560 is about 293.8200883006.

The spelling of 25365560 in words is "twenty-five million, three hundred sixty-five thousand, five hundred sixty".