25858372 has 24 divisors (see below), whose sum is σ = 47963160. Its totient is φ = 12176640.

The previous prime is 25858367. The next prime is 25858379. The reversal of 25858372 is 27385852.

It can be written as a sum of positive squares in 4 ways, for example, as 617796 + 25240576 = 786^2 + 5024^2 .

It is not an unprimeable number, because it can be changed into a prime (25858379) 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, 2038 + ... + 7474.

It is an arithmetic number, because the mean of its divisors is an integer number (1998465).

Almost surely, 2^25858372 is an apocalyptic number.

It is an amenable number.

25858372 is a deficient number, since it is larger than the sum of its proper divisors (22104788).

25858372 is a wasteful number, since it uses less digits than its factorization.

25858372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511 (or 5509 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 25858372 is about 5085.1127814435. The cubic root of 25858372 is about 295.7107138369.

The spelling of 25858372 in words is "twenty-five million, eight hundred fifty-eight thousand, three hundred seventy-two".