516131623 has 8 divisors (see below), whose sum is σ = 603582848. Its totient is φ = 432109944.

The previous prime is 516131597. The next prime is 516131633. The reversal of 516131623 is 326131615.

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

It is not a de Polignac number, because 516131623 - 2⁵ = 516131591 is a prime.

It is a super-2 number, since 2×516131623² = 532783704521228258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516131591 and 516131600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516131633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857061 + ... + 857662.

It is an arithmetic number, because the mean of its divisors is an integer number (75447856).

Almost surely, 2^516131623 is an apocalyptic number.

516131623 is a deficient number, since it is larger than the sum of its proper divisors (87451225).

516131623 is a wasteful number, since it uses less digits than its factorization.

516131623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714773.

The product of its digits is 3240, while the sum is 28.

The square root of 516131623 is about 22718.5303882095. The cubic root of 516131623 is about 802.1461245178.

The spelling of 516131623 in words is "five hundred sixteen million, one hundred thirty-one thousand, six hundred twenty-three".