25575916 has 12 divisors (see below), whose sum is σ = 45100440. Its totient is φ = 12690080.

The previous prime is 25575911. The next prime is 25575929. The reversal of 25575916 is 61957552.

It is not an unprimeable number, because it can be changed into a prime (25575911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23881 + ... + 24928.

It is an arithmetic number, because the mean of its divisors is an integer number (3758370).

Almost surely, 2^25575916 is an apocalyptic number.

It is an amenable number.

25575916 is a deficient number, since it is larger than the sum of its proper divisors (19524524).

25575916 is a wasteful number, since it uses less digits than its factorization.

25575916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48944 (or 48942 counting only the distinct ones).

The product of its digits is 94500, while the sum is 40.

The square root of 25575916 is about 5057.2636870149. The cubic root of 25575916 is about 294.6300677525.

The spelling of 25575916 in words is "twenty-five million, five hundred seventy-five thousand, nine hundred sixteen".