25618996 has 12 divisors (see below), whose sum is σ = 48282052. Its totient is φ = 11824128.

The previous prime is 25618979. The next prime is 25618997. The reversal of 25618996 is 69981652.

It can be written as a sum of positive squares in 2 ways, for example, as 1999396 + 23619600 = 1414^2 + 4860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25618997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246285 + ... + 246388.

Almost surely, 2^25618996 is an apocalyptic number.

25618996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25618996 is a deficient number, since it is larger than the sum of its proper divisors (22663056).

25618996 is a wasteful number, since it uses less digits than its factorization.

25618996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492690 (or 492688 counting only the distinct ones).

The product of its digits is 233280, while the sum is 46.

The square root of 25618996 is about 5061.5211152380. The cubic root of 25618996 is about 294.7953996411.

The spelling of 25618996 in words is "twenty-five million, six hundred eighteen thousand, nine hundred ninety-six".