516131701 has 4 divisors (see below), whose sum is σ = 516381804. Its totient is φ = 515881600.

The previous prime is 516131689. The next prime is 516131711. The reversal of 516131701 is 107131615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 335256100 + 180875601 = 18310^2 + 13449^2 .

It is a cyclic number.

It is not a de Polignac number, because 516131701 - 2²⁵ = 482577269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516131711) 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, 121930 + ... + 126091.

It is an arithmetic number, because the mean of its divisors is an integer number (129095451).

Almost surely, 2^516131701 is an apocalyptic number.

It is an amenable number.

516131701 is a deficient number, since it is larger than the sum of its proper divisors (250103).

516131701 is a wasteful number, since it uses less digits than its factorization.

516131701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250102.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 516131701 is about 22718.5321048698. The cubic root of 516131701 is about 802.1461649257.

The spelling of 516131701 in words is "five hundred sixteen million, one hundred thirty-one thousand, seven hundred one".