239752243 has 2 divisors, whose sum is σ = 239752244. Its totient is φ = 239752242.

The previous prime is 239752229. The next prime is 239752259. The reversal of 239752243 is 342257932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 239752243 - 2⁵ = 239752211 is a prime.

It is a super-3 number, since 3×239752243³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (239752273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119876121 + 119876122.

It is an arithmetic number, because the mean of its divisors is an integer number (119876122).

Almost surely, 2^239752243 is an apocalyptic number.

239752243 is a deficient number, since it is larger than the sum of its proper divisors (1).

239752243 is an equidigital number, since it uses as much as digits as its factorization.

239752243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 239752243 is about 15483.9349972802. The cubic root of 239752243 is about 621.2325835067.

The spelling of 239752243 in words is "two hundred thirty-nine million, seven hundred fifty-two thousand, two hundred forty-three".