25415968 has 12 divisors (see below), whose sum is σ = 50037750. Its totient is φ = 12707968.

The previous prime is 25415963. The next prime is 25415983. The reversal of 25415968 is 86951452.

It can be written as a sum of positive squares in only one way, i.e., 24880144 + 535824 = 4988^2 + 732^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25415968.

It is not an unprimeable number, because it can be changed into a prime (25415963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397093 + ... + 397156.

Almost surely, 2^25415968 is an apocalyptic number.

It is an amenable number.

25415968 is a deficient number, since it is larger than the sum of its proper divisors (24621782).

25415968 is an equidigital number, since it uses as much as digits as its factorization.

25415968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794259 (or 794251 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 25415968 is about 5041.4251953193. The cubic root of 25415968 is about 294.0145919609.

The spelling of 25415968 in words is "twenty-five million, four hundred fifteen thousand, nine hundred sixty-eight".