25980590 has 32 divisors (see below), whose sum is σ = 50277024. Its totient is φ = 9630720.

The previous prime is 25980589. The next prime is 25980599. The reversal of 25980590 is 9508952.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25980599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10250 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (1571157).

Almost surely, 2^25980590 is an apocalyptic number.

25980590 is a deficient number, since it is larger than the sum of its proper divisors (24296434).

25980590 is a wasteful number, since it uses less digits than its factorization.

25980590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 25980590 is about 5097.1158511456. The cubic root of 25980590 is about 296.1758679128.

The spelling of 25980590 in words is "twenty-five million, nine hundred eighty thousand, five hundred ninety".