25680952 has 16 divisors (see below), whose sum is σ = 52529400. Its totient is φ = 11673120.

The previous prime is 25680943. The next prime is 25680953. The reversal of 25680952 is 25908652.

It is a happy number.

It is a super-2 number, since 2×25680952² = 1319022591252608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25680953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145827 + ... + 146002.

Almost surely, 2^25680952 is an apocalyptic number.

25680952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25680952 is an abundant number, since it is smaller than the sum of its proper divisors (26848448).

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

25680952 is a wasteful number, since it uses less digits than its factorization.

25680952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291846 (or 291842 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 25680952 is about 5067.6377139650. The cubic root of 25680952 is about 295.0328489706.

The spelling of 25680952 in words is "twenty-five million, six hundred eighty thousand, nine hundred fifty-two".