25479716 has 6 divisors (see below), whose sum is σ = 44589510. Its totient is φ = 12739856.

The previous prime is 25479679. The next prime is 25479739. The reversal of 25479716 is 61797452.

It can be written as a sum of positive squares in only one way, i.e., 16777216 + 8702500 = 4096^2 + 2950^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3184961 + ... + 3184968.

It is an arithmetic number, because the mean of its divisors is an integer number (7431585).

Almost surely, 2^25479716 is an apocalyptic number.

It is an amenable number.

25479716 is a deficient number, since it is larger than the sum of its proper divisors (19109794).

25479716 is a wasteful number, since it uses less digits than its factorization.

25479716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369933 (or 6369931 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 25479716 is about 5047.7436543470. The cubic root of 25479716 is about 294.2602012543.

The spelling of 25479716 in words is "twenty-five million, four hundred seventy-nine thousand, seven hundred sixteen".