25579996 has 12 divisors (see below), whose sum is σ = 48208552. Its totient is φ = 11806128.

The previous prime is 25579993. The next prime is 25579999. The reversal of 25579996 is 69997552.

It is an interprime number because it is at equal distance from previous prime (25579993) and next prime (25579999).

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 491923 = 25579996 / (2 + 5 + 5 + 7 + 9 + 9 + 9 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25579993) 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, 245910 + ... + 246013.

Almost surely, 2^25579996 is an apocalyptic number.

25579996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25579996 is a deficient number, since it is larger than the sum of its proper divisors (22628556).

25579996 is a wasteful number, since it uses less digits than its factorization.

25579996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491940 (or 491938 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 52.

The square root of 25579996 is about 5057.6670511215. The cubic root of 25579996 is about 294.6457338810.

The spelling of 25579996 in words is "twenty-five million, five hundred seventy-nine thousand, nine hundred ninety-six".