452513239 has 2 divisors, whose sum is σ = 452513240. Its totient is φ = 452513238.

The previous prime is 452513233. The next prime is 452513273. The reversal of 452513239 is 932315254.

It is an a-pointer prime, because the next prime (452513273) can be obtained adding 452513239 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 452513239 - 2⁹ = 452512727 is a prime.

It is a super-2 number, since 2×452513239² = 409536462940542242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452513233) 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 as a sum of consecutive naturals, namely, 226256619 + 226256620.

It is an arithmetic number, because the mean of its divisors is an integer number (226256620).

Almost surely, 2^452513239 is an apocalyptic number.

452513239 is a deficient number, since it is larger than the sum of its proper divisors (1).

452513239 is an equidigital number, since it uses as much as digits as its factorization.

452513239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 452513239 is about 21272.3585669291. The cubic root of 452513239 is about 767.7333912320.

The spelling of 452513239 in words is "four hundred fifty-two million, five hundred thirteen thousand, two hundred thirty-nine".