516252129 has 4 divisors (see below), whose sum is σ = 688336176. Its totient is φ = 344168084.

The previous prime is 516252101. The next prime is 516252167. The reversal of 516252129 is 921252615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516252129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 516252129.

It is not an unprimeable number, because it can be changed into a prime (516252179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86042019 + ... + 86042024.

It is an arithmetic number, because the mean of its divisors is an integer number (172084044).

Almost surely, 2^516252129 is an apocalyptic number.

It is an amenable number.

516252129 is a deficient number, since it is larger than the sum of its proper divisors (172084047).

516252129 is a wasteful number, since it uses less digits than its factorization.

516252129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172084046.

The product of its digits is 10800, while the sum is 33.

The square root of 516252129 is about 22721.1823856066. The cubic root of 516252129 is about 802.2085478058.

It can be divided in two parts, 5162 and 52129, that added together give a triangular number (57291 = T₃₃₈).

The spelling of 516252129 in words is "five hundred sixteen million, two hundred fifty-two thousand, one hundred twenty-nine".