516450631 has 2 divisors, whose sum is σ = 516450632. Its totient is φ = 516450630.

The previous prime is 516450593. The next prime is 516450677. The reversal of 516450631 is 136054615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516450631 - 2⁷ = 516450503 is a prime.

It is a super-2 number, since 2×516450631² = 533442508520596322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 516450593 and 516450602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516450031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258225315 + 258225316.

It is an arithmetic number, because the mean of its divisors is an integer number (258225316).

Almost surely, 2^516450631 is an apocalyptic number.

516450631 is a deficient number, since it is larger than the sum of its proper divisors (1).

516450631 is an equidigital number, since it uses as much as digits as its factorization.

516450631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 516450631 is about 22725.5501803587. The cubic root of 516450631 is about 802.3113526093.

The spelling of 516450631 in words is "five hundred sixteen million, four hundred fifty thousand, six hundred thirty-one".