516900431 has 2 divisors, whose sum is σ = 516900432. Its totient is φ = 516900430.

The previous prime is 516900421. The next prime is 516900443. The reversal of 516900431 is 134009615.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516900431 is a prime.

It is a super-2 number, since 2×516900431² = 534372111135971522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 516900394 and 516900403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516900421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258450215 + 258450216.

It is an arithmetic number, because the mean of its divisors is an integer number (258450216).

Almost surely, 2^516900431 is an apocalyptic number.

516900431 is a deficient number, since it is larger than the sum of its proper divisors (1).

516900431 is an equidigital number, since it uses as much as digits as its factorization.

516900431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 516900431 is about 22735.4443765676. Note that the first 3 decimals coincide. The cubic root of 516900431 is about 802.5442079922.

The spelling of 516900431 in words is "five hundred sixteen million, nine hundred thousand, four hundred thirty-one".