507494399 has 2 divisors, whose sum is σ = 507494400. Its totient is φ = 507494398.

The previous prime is 507494371. The next prime is 507494411. The reversal of 507494399 is 993494705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 507494399 - 2²⁸ = 239058943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507494329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253747199 + 253747200.

It is an arithmetic number, because the mean of its divisors is an integer number (253747200).

Almost surely, 2^507494399 is an apocalyptic number.

507494399 is a deficient number, since it is larger than the sum of its proper divisors (1).

507494399 is an equidigital number, since it uses as much as digits as its factorization.

507494399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 507494399 is about 22527.6363385065. The cubic root of 507494399 is about 797.6464154022.

The spelling of 507494399 in words is "five hundred seven million, four hundred ninety-four thousand, three hundred ninety-nine".