25159090 has 32 divisors (see below), whose sum is σ = 49610880. Its totient is φ = 9110400.

The previous prime is 25159049. The next prime is 25159109. The reversal of 25159090 is 9095152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48030 + ... + 48550.

It is an arithmetic number, because the mean of its divisors is an integer number (1550340).

Almost surely, 2^25159090 is an apocalyptic number.

25159090 is a deficient number, since it is larger than the sum of its proper divisors (24451790).

25159090 is a wasteful number, since it uses less digits than its factorization.

25159090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 25159090 is about 5015.8837705832. The cubic root of 25159090 is about 293.0207054369.

The spelling of 25159090 in words is "twenty-five million, one hundred fifty-nine thousand, ninety".