507961439 has 2 divisors, whose sum is σ = 507961440. Its totient is φ = 507961438.

The previous prime is 507961429. The next prime is 507961453. The reversal of 507961439 is 934169705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 507961439 - 2²⁸ = 239525983 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 507961439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507961429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253980719 + 253980720.

It is an arithmetic number, because the mean of its divisors is an integer number (253980720).

Almost surely, 2^507961439 is an apocalyptic number.

507961439 is a deficient number, since it is larger than the sum of its proper divisors (1).

507961439 is an equidigital number, since it uses as much as digits as its factorization.

507961439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 507961439 is about 22537.9998890762. Note that the first 3 decimals coincide. The cubic root of 507961439 is about 797.8910279944.

The spelling of 507961439 in words is "five hundred seven million, nine hundred sixty-one thousand, four hundred thirty-nine".