516040157 has 2 divisors, whose sum is σ = 516040158. Its totient is φ = 516040156.

The previous prime is 516040153. The next prime is 516040159. The reversal of 516040157 is 751040615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455651716 + 60388441 = 21346^2 + 7771^2 .

It is a cyclic number.

It is not a de Polignac number, because 516040157 - 2² = 516040153 is a prime.

Together with 516040159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516040153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258020078 + 258020079.

It is an arithmetic number, because the mean of its divisors is an integer number (258020079).

Almost surely, 2^516040157 is an apocalyptic number.

It is an amenable number.

516040157 is a deficient number, since it is larger than the sum of its proper divisors (1).

516040157 is an equidigital number, since it uses as much as digits as its factorization.

516040157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 516040157 is about 22716.5172726807. The cubic root of 516040157 is about 802.0987377476.

The spelling of 516040157 in words is "five hundred sixteen million, forty thousand, one hundred fifty-seven".