615116057 has 2 divisors, whose sum is σ = 615116058. Its totient is φ = 615116056.

The previous prime is 615116023. The next prime is 615116063. The reversal of 615116057 is 750611516.

615116057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456078736 + 159037321 = 21356^2 + 12611^2 .

It is a cyclic number.

It is not a de Polignac number, because 615116057 - 2²⁰ = 614067481 is a prime.

It is a Chen prime.

It is equal to p_32072468 and since 615116057 and 32072468 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (615116017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307558028 + 307558029.

It is an arithmetic number, because the mean of its divisors is an integer number (307558029).

Almost surely, 2^615116057 is an apocalyptic number.

It is an amenable number.

615116057 is a deficient number, since it is larger than the sum of its proper divisors (1).

615116057 is an equidigital number, since it uses as much as digits as its factorization.

615116057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 615116057 is about 24801.5333598550. The cubic root of 615116057 is about 850.4569893262.

The spelling of 615116057 in words is "six hundred fifteen million, one hundred sixteen thousand, fifty-seven".