25988530 has 16 divisors (see below), whose sum is σ = 46837440. Its totient is φ = 10382512.

The previous prime is 25988527. The next prime is 25988539. The reversal of 25988530 is 3588952.

It is not an unprimeable number, because it can be changed into a prime (25988539) 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, 14757 + ... + 16423.

It is an arithmetic number, because the mean of its divisors is an integer number (2927340).

Almost surely, 2^25988530 is an apocalyptic number.

25988530 is a deficient number, since it is larger than the sum of its proper divisors (20848910).

25988530 is a wasteful number, since it uses less digits than its factorization.

25988530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 25988530 is about 5097.8946634861. The cubic root of 25988530 is about 296.2060365485.

The spelling of 25988530 in words is "twenty-five million, nine hundred eighty-eight thousand, five hundred thirty".