25256042 has 16 divisors (see below), whose sum is σ = 44789760. Its totient is φ = 10450608.

The previous prime is 25256039. The next prime is 25256053. The reversal of 25256042 is 24065252.

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, 30698 + ... + 31509.

It is an arithmetic number, because the mean of its divisors is an integer number (2799360).

Almost surely, 2^25256042 is an apocalyptic number.

25256042 is a deficient number, since it is larger than the sum of its proper divisors (19533718).

25256042 is a wasteful number, since it uses less digits than its factorization.

25256042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62245.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 25256042 is about 5025.5389760701. The cubic root of 25256042 is about 293.3966137007.

The spelling of 25256042 in words is "twenty-five million, two hundred fifty-six thousand, forty-two".