25790506 has 16 divisors (see below), whose sum is σ = 44279424. Its totient is φ = 11036304.

The previous prime is 25790473. The next prime is 25790549. The reversal of 25790506 is 60509752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14016 + ... + 15748.

It is an arithmetic number, because the mean of its divisors is an integer number (2767464).

Almost surely, 2^25790506 is an apocalyptic number.

25790506 is a deficient number, since it is larger than the sum of its proper divisors (18488918).

25790506 is a wasteful number, since it uses less digits than its factorization.

25790506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805.

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

The square root of 25790506 is about 5078.4353889756. The cubic root of 25790506 is about 295.4517869163.

The spelling of 25790506 in words is "twenty-five million, seven hundred ninety thousand, five hundred six".