25789090 has 16 divisors (see below), whose sum is σ = 46553472. Its totient is φ = 10286064.

The previous prime is 25789079. The next prime is 25789097. The reversal of 25789090 is 9098752.

It is not an unprimeable number, because it can be changed into a prime (25789097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157 + ... + 7183.

It is an arithmetic number, because the mean of its divisors is an integer number (2909592).

Almost surely, 2^25789090 is an apocalyptic number.

25789090 is a deficient number, since it is larger than the sum of its proper divisors (20764382).

25789090 is a wasteful number, since it uses less digits than its factorization.

25789090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7401.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 25789090 is about 5078.2959740448. The cubic root of 25789090 is about 295.4463796631.

The spelling of 25789090 in words is "twenty-five million, seven hundred eighty-nine thousand, ninety".