25625868 has 24 divisors (see below), whose sum is σ = 63311472. Its totient is φ = 8039424.

The previous prime is 25625863. The next prime is 25625881. The reversal of 25625868 is 86852652.

It is a super-2 number, since 2×25625868² = 1313370221506848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25625863) 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, 62605 + ... + 63012.

It is an arithmetic number, because the mean of its divisors is an integer number (2637978).

Almost surely, 2^25625868 is an apocalyptic number.

It is an amenable number.

25625868 is an abundant number, since it is smaller than the sum of its proper divisors (37685604).

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

25625868 is a wasteful number, since it uses less digits than its factorization.

25625868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125641 (or 125639 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 25625868 is about 5062.1999170321. The cubic root of 25625868 is about 294.8217557726.

The spelling of 25625868 in words is "twenty-five million, six hundred twenty-five thousand, eight hundred sixty-eight".