25565372 has 24 divisors (see below), whose sum is σ = 52514784. Its totient is φ = 10660032.

The previous prime is 25565347. The next prime is 25565377. The reversal of 25565372 is 27356552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25565377) by changing a digit.

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, 11303 + ... + 13374.

It is an arithmetic number, because the mean of its divisors is an integer number (2188116).

Almost surely, 2^25565372 is an apocalyptic number.

It is an amenable number.

25565372 is an abundant number, since it is smaller than the sum of its proper divisors (26949412).

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

25565372 is a wasteful number, since it uses less digits than its factorization.

25565372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24725 (or 24723 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 25565372 is about 5056.2211185825. The cubic root of 25565372 is about 294.5895738436.

The spelling of 25565372 in words is "twenty-five million, five hundred sixty-five thousand, three hundred seventy-two".