25652506 has 16 divisors (see below), whose sum is σ = 42871680. Its totient is φ = 11411680.

The previous prime is 25652503. The next prime is 25652533. The reversal of 25652506 is 60525652.

It is not an unprimeable number, because it can be changed into a prime (25652503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11371 + ... + 13438.

It is an arithmetic number, because the mean of its divisors is an integer number (2679480).

Almost surely, 2^25652506 is an apocalyptic number.

25652506 is a deficient number, since it is larger than the sum of its proper divisors (17219174).

25652506 is a wasteful number, since it uses less digits than its factorization.

25652506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24869.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 25652506 is about 5064.8303031790. The cubic root of 25652506 is about 294.9238757903.

The spelling of 25652506 in words is "twenty-five million, six hundred fifty-two thousand, five hundred six".