516257236 has 12 divisors (see below), whose sum is σ = 985582080. Its totient is φ = 234662360.

The previous prime is 516257233. The next prime is 516257249. The reversal of 516257236 is 632752615.

It is a junction number, because it is equal to n+sod(n) for n = 516257195 and 516257204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516257233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5866516 + ... + 5866603.

It is an arithmetic number, because the mean of its divisors is an integer number (82131840).

Almost surely, 2^516257236 is an apocalyptic number.

It is an amenable number.

516257236 is a deficient number, since it is larger than the sum of its proper divisors (469324844).

516257236 is a wasteful number, since it uses less digits than its factorization.

516257236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11733134 (or 11733132 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 516257236 is about 22721.2947694448. The cubic root of 516257236 is about 802.2111930673.

It can be divided in two parts, 516 and 257236, that added together give a palindrome (257752).

The spelling of 516257236 in words is "five hundred sixteen million, two hundred fifty-seven thousand, two hundred thirty-six".