25568532 has 36 divisors (see below), whose sum is σ = 70508256. Its totient is φ = 7747920.

The previous prime is 25568513. The next prime is 25568551. The reversal of 25568532 is 23586552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25568513) and next prime (25568551).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31888 + ... + 32679.

Almost surely, 2^25568532 is an apocalyptic number.

25568532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25568532 is an abundant number, since it is smaller than the sum of its proper divisors (44939724).

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

25568532 is a wasteful number, since it uses less digits than its factorization.

25568532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64588 (or 64583 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 25568532 is about 5056.5335952607. The cubic root of 25568532 is about 294.6017108950.

The spelling of 25568532 in words is "twenty-five million, five hundred sixty-eight thousand, five hundred thirty-two".