507398263 has 2 divisors, whose sum is σ = 507398264. Its totient is φ = 507398262.

The previous prime is 507398231. The next prime is 507398327. The reversal of 507398263 is 362893705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 507398263 - 2⁵ = 507398231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507398863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253699131 + 253699132.

It is an arithmetic number, because the mean of its divisors is an integer number (253699132).

Almost surely, 2^507398263 is an apocalyptic number.

507398263 is a deficient number, since it is larger than the sum of its proper divisors (1).

507398263 is an equidigital number, since it uses as much as digits as its factorization.

507398263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 507398263 is about 22525.5025027190. The cubic root of 507398263 is about 797.5960454681.

The spelling of 507398263 in words is "five hundred seven million, three hundred ninety-eight thousand, two hundred sixty-three".