516348457 has 2 divisors, whose sum is σ = 516348458. Its totient is φ = 516348456.

The previous prime is 516348407. The next prime is 516348487. The reversal of 516348457 is 754843615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357058816 + 159289641 = 18896^2 + 12621^2 .

It is a cyclic number.

It is not a de Polignac number, because 516348457 - 2¹¹ = 516346409 is a prime.

It is not a weakly prime, because it can be changed into another prime (516348407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258174228 + 258174229.

It is an arithmetic number, because the mean of its divisors is an integer number (258174229).

Almost surely, 2^516348457 is an apocalyptic number.

It is an amenable number.

516348457 is a deficient number, since it is larger than the sum of its proper divisors (1).

516348457 is an equidigital number, since it uses as much as digits as its factorization.

516348457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 43.

The square root of 516348457 is about 22723.3020707819. The cubic root of 516348457 is about 802.2584396674.

The spelling of 516348457 in words is "five hundred sixteen million, three hundred forty-eight thousand, four hundred fifty-seven".