25946530 has 32 divisors (see below), whose sum is σ = 49279104. Its totient is φ = 9816576.

The previous prime is 25946513. The next prime is 25946579. The reversal of 25946530 is 3564952.

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, 21729 + ... + 22891.

It is an arithmetic number, because the mean of its divisors is an integer number (1539972).

Almost surely, 2^25946530 is an apocalyptic number.

25946530 is a deficient number, since it is larger than the sum of its proper divisors (23332574).

25946530 is a wasteful number, since it uses less digits than its factorization.

25946530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 25946530 is about 5093.7736502518. The cubic root of 25946530 is about 296.0463845620.

The spelling of 25946530 in words is "twenty-five million, nine hundred forty-six thousand, five hundred thirty".