25789390 has 32 divisors (see below), whose sum is σ = 51184224. Its totient is φ = 9277440.

The previous prime is 25789363. The next prime is 25789411. The reversal of 25789390 is 9398752.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9462 + ... + 11878.

It is an arithmetic number, because the mean of its divisors is an integer number (1599507).

Almost surely, 2^25789390 is an apocalyptic number.

25789390 is a deficient number, since it is larger than the sum of its proper divisors (25394834).

25789390 is a wasteful number, since it uses less digits than its factorization.

25789390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 25789390 is about 5078.3255114260. The cubic root of 25789390 is about 295.4475252842.

The spelling of 25789390 in words is "twenty-five million, seven hundred eighty-nine thousand, three hundred ninety".