516311264 has 24 divisors (see below), whose sum is σ = 1161700848. Its totient is φ = 221276160.

The previous prime is 516311251. The next prime is 516311269. The reversal of 516311264 is 462113615.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516311269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152257 + ... + 1152704.

It is an arithmetic number, because the mean of its divisors is an integer number (48404202).

Almost surely, 2^516311264 is an apocalyptic number.

It is an amenable number.

516311264 is an abundant number, since it is smaller than the sum of its proper divisors (645389584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516311264 is a wasteful number, since it uses less digits than its factorization.

516311264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304978 (or 2304970 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 516311264 is about 22722.4836670642. The cubic root of 516311264 is about 802.2391767619.

Adding to 516311264 its reverse (462113615), we get a palindrome (978424879).

The spelling of 516311264 in words is "five hundred sixteen million, three hundred eleven thousand, two hundred sixty-four".