239331316225 has 9 divisors (see below), whose sum is σ = 296773865283. Its totient is φ = 191463096120.

The previous prime is 239331316219. The next prime is 239331316243. The reversal of 239331316225 is 522613133932.

It is a happy number.

The square root of 239331316225 is 489215.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 86159273841 + 153172042384 = 293529^2 + 391372^2 .

It is not a de Polignac number, because 239331316225 - 2⁵ = 239331316193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2397154 + ... + 2494996.

Almost surely, 2^239331316225 is an apocalyptic number.

239331316225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

239331316225 is the 489215-th square number.

239331316225 is the 244608-th centered octagonal number.

It is an amenable number.

239331316225 is a deficient number, since it is larger than the sum of its proper divisors (57442549058).

239331316225 is an frugal number, since it uses more digits than its factorization.

239331316225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195696 (or 97848 counting only the distinct ones).

The product of its digits is 174960, while the sum is 40.

The spelling of 239331316225 in words is "two hundred thirty-nine billion, three hundred thirty-one million, three hundred sixteen thousand, two hundred twenty-five".