1516314617 has 2 divisors, whose sum is σ = 1516314618. Its totient is φ = 1516314616.

The previous prime is 1516314607. The next prime is 1516314661. The reversal of 1516314617 is 7164136151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1317617401 + 198697216 = 36299^2 + 14096^2 .

It is a cyclic number.

It is not a de Polignac number, because 1516314617 - 2⁴ = 1516314601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1516314607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758157308 + 758157309.

It is an arithmetic number, because the mean of its divisors is an integer number (758157309).

Almost surely, 2^1516314617 is an apocalyptic number.

It is an amenable number.

1516314617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516314617 is an equidigital number, since it uses as much as digits as its factorization.

1516314617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 1516314617 is about 38939.8846557100. The cubic root of 1516314617 is about 1148.8494143036.

The spelling of 1516314617 in words is "one billion, five hundred sixteen million, three hundred fourteen thousand, six hundred seventeen".