252938239 has 8 divisors (see below), whose sum is σ = 255816000. Its totient is φ = 250068000.

The previous prime is 252938237. The next prime is 252938293. The reversal of 252938239 is 932839252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252938239 - 2¹ = 252938237 is a prime.

It is a super-2 number, since 2×252938239² = 127955505496842242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252938195 and 252938204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252938237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90637 + ... + 93385.

It is an arithmetic number, because the mean of its divisors is an integer number (31977000).

Almost surely, 2^252938239 is an apocalyptic number.

252938239 is a deficient number, since it is larger than the sum of its proper divisors (2877761).

252938239 is a wasteful number, since it uses less digits than its factorization.

252938239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761.

The product of its digits is 233280, while the sum is 43.

The square root of 252938239 is about 15904.0321616878. The cubic root of 252938239 is about 632.4188850657.

The spelling of 252938239 in words is "two hundred fifty-two million, nine hundred thirty-eight thousand, two hundred thirty-nine".