1513857113 has 2 divisors, whose sum is σ = 1513857114. Its totient is φ = 1513857112.

The previous prime is 1513857071. The next prime is 1513857119. The reversal of 1513857113 is 3117583151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1513832464 + 24649 = 38908^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 1513857113 - 2⁶ = 1513857049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1513857119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756928556 + 756928557.

It is an arithmetic number, because the mean of its divisors is an integer number (756928557).

Almost surely, 2^1513857113 is an apocalyptic number.

It is an amenable number.

1513857113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513857113 is an equidigital number, since it uses as much as digits as its factorization.

1513857113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 35.

The square root of 1513857113 is about 38908.3167587599. The cubic root of 1513857113 is about 1148.2284286972.

The spelling of 1513857113 in words is "one billion, five hundred thirteen million, eight hundred fifty-seven thousand, one hundred thirteen".