25650970 has 32 divisors (see below), whose sum is σ = 47258640. Its totient is φ = 10022400.

The previous prime is 25650967. The next prime is 25650983. The reversal of 25650970 is 7905652.

It can be written as a sum of positive squares in 8 ways, for example, as 16966161 + 8684809 = 4119^2 + 2947^2 .

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, 109974 + ... + 110206.

Almost surely, 2^25650970 is an apocalyptic number.

25650970 is a deficient number, since it is larger than the sum of its proper divisors (21607670).

25650970 is a wasteful number, since it uses less digits than its factorization.

25650970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 25650970 is about 5064.6786670035. The cubic root of 25650970 is about 294.9179892684.

The spelling of 25650970 in words is "twenty-five million, six hundred fifty thousand, nine hundred seventy".