25820996 has 48 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 11790240.

The previous prime is 25820989. The next prime is 25821043. The reversal of 25820996 is 69902852.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363641 + ... + 363711.

It is an arithmetic number, because the mean of its divisors is an integer number (1028160).

Almost surely, 2^25820996 is an apocalyptic number.

It is an amenable number.

25820996 is a deficient number, since it is larger than the sum of its proper divisors (23530684).

25820996 is a wasteful number, since it uses less digits than its factorization.

25820996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 25820996 is about 5081.4364110948. The cubic root of 25820996 is about 295.5681705367.

The spelling of 25820996 in words is "twenty-five million, eight hundred twenty thousand, nine hundred ninety-six".