507766313 has 2 divisors, whose sum is σ = 507766314. Its totient is φ = 507766312.

The previous prime is 507766261. The next prime is 507766321. The reversal of 507766313 is 313667705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493417369 + 14348944 = 22213^2 + 3788^2 .

It is a cyclic number.

It is not a de Polignac number, because 507766313 - 2¹⁰ = 507765289 is a prime.

It is a super-2 number, since 2×507766313² = 515653257235227938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (507766373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253883156 + 253883157.

It is an arithmetic number, because the mean of its divisors is an integer number (253883157).

Almost surely, 2^507766313 is an apocalyptic number.

It is an amenable number.

507766313 is a deficient number, since it is larger than the sum of its proper divisors (1).

507766313 is an equidigital number, since it uses as much as digits as its factorization.

507766313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 507766313 is about 22533.6706508283. The cubic root of 507766313 is about 797.7888488312.

The spelling of 507766313 in words is "five hundred seven million, seven hundred sixty-six thousand, three hundred thirteen".