512265239 has 2 divisors, whose sum is σ = 512265240. Its totient is φ = 512265238.

The previous prime is 512265197. The next prime is 512265253. The reversal of 512265239 is 932562215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 512265239 - 2²⁸ = 243829783 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 512265199 and 512265208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512565239) 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, 256132619 + 256132620.

It is an arithmetic number, because the mean of its divisors is an integer number (256132620).

Almost surely, 2^512265239 is an apocalyptic number.

512265239 is a deficient number, since it is larger than the sum of its proper divisors (1).

512265239 is an equidigital number, since it uses as much as digits as its factorization.

512265239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 512265239 is about 22633.2772483350. The cubic root of 512265239 is about 800.1381214642.

It can be divided in two parts, 51226 and 5239, that added together give a palindrome (56465).

The spelling of 512265239 in words is "five hundred twelve million, two hundred sixty-five thousand, two hundred thirty-nine".