25785996 has 24 divisors (see below), whose sum is σ = 60519984. Its totient is φ = 8544960.

The previous prime is 25785979. The next prime is 25785997. The reversal of 25785996 is 69958752.

It is a happy number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (25785997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4135 + ... + 8286.

It is an arithmetic number, because the mean of its divisors is an integer number (2521666).

Almost surely, 2^25785996 is an apocalyptic number.

It is an amenable number.

25785996 is an abundant number, since it is smaller than the sum of its proper divisors (34733988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25785996 is a wasteful number, since it uses less digits than its factorization.

25785996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12601 (or 12599 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The square root of 25785996 is about 5077.9913351639. The cubic root of 25785996 is about 295.4345639734.

The spelling of 25785996 in words is "twenty-five million, seven hundred eighty-five thousand, nine hundred ninety-six".