25852986 has 32 divisors (see below), whose sum is σ = 57748800. Its totient is φ = 8573040.

The previous prime is 25852979. The next prime is 25852991. The reversal of 25852986 is 68925852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10260 + ... + 12528.

It is an arithmetic number, because the mean of its divisors is an integer number (1804650).

Almost surely, 2^25852986 is an apocalyptic number.

25852986 is an abundant number, since it is smaller than the sum of its proper divisors (31895814).

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

25852986 is a wasteful number, since it uses less digits than its factorization.

25852986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491 (or 2485 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 25852986 is about 5084.5831687563. The cubic root of 25852986 is about 295.6901813701.

The spelling of 25852986 in words is "twenty-five million, eight hundred fifty-two thousand, nine hundred eighty-six".