25408952 has 16 divisors (see below), whose sum is σ = 48656160. Its totient is φ = 12433984.

The previous prime is 25408927. The next prime is 25408963. The reversal of 25408952 is 25980452.

It is a happy number.

It is a super-2 number, since 2×25408952² = 1291229683476608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 33413 + ... + 34164.

It is an arithmetic number, because the mean of its divisors is an integer number (3041010).

Almost surely, 2^25408952 is an apocalyptic number.

It is an amenable number.

25408952 is a deficient number, since it is larger than the sum of its proper divisors (23247208).

25408952 is a wasteful number, since it uses less digits than its factorization.

25408952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67630 (or 67626 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 25408952 is about 5040.7293123119. The cubic root of 25408952 is about 293.9875355291.

The spelling of 25408952 in words is "twenty-five million, four hundred eight thousand, nine hundred fifty-two".