239993025 has 24 divisors (see below), whose sum is σ = 398364384. Its totient is φ = 127488000.

The previous prime is 239993021. The next prime is 239993053. The reversal of 239993025 is 520399932.

It is not a de Polignac number, because 239993025 - 2² = 239993021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (239993021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13050 + ... + 25500.

It is an arithmetic number, because the mean of its divisors is an integer number (16598516).

Almost surely, 2^239993025 is an apocalyptic number.

239993025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

239993025 is a deficient number, since it is larger than the sum of its proper divisors (158371359).

239993025 is a wasteful number, since it uses less digits than its factorization.

239993025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721 (or 12716 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 239993025 is about 15491.7082660370. The cubic root of 239993025 is about 621.4404808695.

The spelling of 239993025 in words is "two hundred thirty-nine million, nine hundred ninety-three thousand, twenty-five".