25980604 has 48 divisors (see below), whose sum is σ = 51480576. Its totient is φ = 11390400.

The previous prime is 25980601. The next prime is 25980631. The reversal of 25980604 is 40608952.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25980604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25980601) 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, 114339 + ... + 114565.

It is an arithmetic number, because the mean of its divisors is an integer number (1072512).

Almost surely, 2^25980604 is an apocalyptic number.

25980604 is the 3224-th heptagonal number.

It is an amenable number.

25980604 is a deficient number, since it is larger than the sum of its proper divisors (25499972).

25980604 is a wasteful number, since it uses less digits than its factorization.

25980604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 25980604 is about 5097.1172244711. The cubic root of 25980604 is about 296.1759211123.

The spelling of 25980604 in words is "twenty-five million, nine hundred eighty thousand, six hundred four".