516772538 has 8 divisors (see below), whose sum is σ = 793185888. Its totient is φ = 252377244.

The previous prime is 516772519. The next prime is 516772559. The reversal of 516772538 is 835277615.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×516772538² = 534107712061922888, which contains 22 as substring.

It is an unprimeable number.

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, 3004406 + ... + 3004577.

It is an arithmetic number, because the mean of its divisors is an integer number (99148236).

Almost surely, 2^516772538 is an apocalyptic number.

516772538 is a deficient number, since it is larger than the sum of its proper divisors (276413350).

516772538 is a wasteful number, since it uses less digits than its factorization.

516772538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009028.

The product of its digits is 352800, while the sum is 44.

The square root of 516772538 is about 22732.6315678586. The cubic root of 516772538 is about 802.4780132626.

The spelling of 516772538 in words is "five hundred sixteen million, seven hundred seventy-two thousand, five hundred thirty-eight".