507165493 has 2 divisors, whose sum is σ = 507165494. Its totient is φ = 507165492.

The previous prime is 507165467. The next prime is 507165517. The reversal of 507165493 is 394561705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405700164 + 101465329 = 20142^2 + 10073^2 .

It is a cyclic number.

It is not a de Polignac number, because 507165493 - 2⁹ = 507164981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507165793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253582746 + 253582747.

It is an arithmetic number, because the mean of its divisors is an integer number (253582747).

Almost surely, 2^507165493 is an apocalyptic number.

It is an amenable number.

507165493 is a deficient number, since it is larger than the sum of its proper divisors (1).

507165493 is an equidigital number, since it uses as much as digits as its factorization.

507165493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 507165493 is about 22520.3350996383. The cubic root of 507165493 is about 797.4740605354.

The spelling of 507165493 in words is "five hundred seven million, one hundred sixty-five thousand, four hundred ninety-three".