25685376 has 32 divisors (see below), whose sum is σ = 68227800. Its totient is φ = 8561664.

The previous prime is 25685371. The next prime is 25685399. The reversal of 25685376 is 67358652.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×25685376² = 1319477080522752, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25685371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33061 + ... + 33828.

Almost surely, 2^25685376 is an apocalyptic number.

It is an amenable number.

25685376 is an abundant number, since it is smaller than the sum of its proper divisors (42542424).

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

25685376 is an equidigital number, since it uses as much as digits as its factorization.

25685376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66906 (or 66894 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 25685376 is about 5068.0741904593. The cubic root of 25685376 is about 295.0497895469.

The spelling of 25685376 in words is "twenty-five million, six hundred eighty-five thousand, three hundred seventy-six".