25134986 has 24 divisors (see below), whose sum is σ = 41111424. Its totient is φ = 11511720.

The previous prime is 25134943. The next prime is 25135031. The reversal of 25134986 is 68943152.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21821 + ... + 22943.

It is an arithmetic number, because the mean of its divisors is an integer number (1712976).

Almost surely, 2^25134986 is an apocalyptic number.

25134986 is a deficient number, since it is larger than the sum of its proper divisors (15976438).

25134986 is a wasteful number, since it uses less digits than its factorization.

25134986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1175 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 25134986 is about 5013.4804278066. The cubic root of 25134986 is about 292.9270980783.

The spelling of 25134986 in words is "twenty-five million, one hundred thirty-four thousand, nine hundred eighty-six".