25394090 has 16 divisors (see below), whose sum is σ = 48398472. Its totient is φ = 9560064.

The previous prime is 25394087. The next prime is 25394101. The reversal of 25394090 is 9049352.

It can be written as a sum of positive squares in 4 ways, for example, as 20784481 + 4609609 = 4559^2 + 2147^2 .

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, 74519 + ... + 74858.

Almost surely, 2^25394090 is an apocalyptic number.

25394090 is a deficient number, since it is larger than the sum of its proper divisors (23004382).

25394090 is a wasteful number, since it uses less digits than its factorization.

25394090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149401.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 25394090 is about 5039.2549052414. The cubic root of 25394090 is about 293.9302054077.

The spelling of 25394090 in words is "twenty-five million, three hundred ninety-four thousand, ninety".