516412157 has 2 divisors, whose sum is σ = 516412158. Its totient is φ = 516412156.

The previous prime is 516412133. The next prime is 516412163. The reversal of 516412157 is 751214615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434889316 + 81522841 = 20854^2 + 9029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516412157 is a prime.

It is equal to p_27173624 and since 516412157 and 27173624 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516412357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258206078 + 258206079.

It is an arithmetic number, because the mean of its divisors is an integer number (258206079).

Almost surely, 2^516412157 is an apocalyptic number.

It is an amenable number.

516412157 is a deficient number, since it is larger than the sum of its proper divisors (1).

516412157 is an equidigital number, since it uses as much as digits as its factorization.

516412157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 32.

The square root of 516412157 is about 22724.7036724354. The cubic root of 516412157 is about 802.2914288633.

The spelling of 516412157 in words is "five hundred sixteen million, four hundred twelve thousand, one hundred fifty-seven".