239982025 has 12 divisors (see below), whose sum is σ = 301656412. Its totient is φ = 189354240.

The previous prime is 239981993. The next prime is 239982031. The reversal of 239982025 is 520289932.

It can be written as a sum of positive squares in 6 ways, for example, as 2082249 + 237899776 = 1443^2 + 15424^2 .

It is not a de Polignac number, because 239982025 - 2⁵ = 239981993 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63924 + ... + 67573.

Almost surely, 2^239982025 is an apocalyptic number.

239982025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

239982025 is a deficient number, since it is larger than the sum of its proper divisors (61674387).

239982025 is a wasteful number, since it uses less digits than its factorization.

239982025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131580 (or 131575 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 239982025 is about 15491.3532333363. The cubic root of 239982025 is about 621.4309862189.

The spelling of 239982025 in words is "two hundred thirty-nine million, nine hundred eighty-two thousand, twenty-five".