1513131259 has 2 divisors, whose sum is σ = 1513131260. Its totient is φ = 1513131258.

The previous prime is 1513131247. The next prime is 1513131293. The reversal of 1513131259 is 9521313151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1513131259 - 2¹⁹ = 1512606971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1513131259.

It is not a weakly prime, because it can be changed into another prime (1513131239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756565629 + 756565630.

It is an arithmetic number, because the mean of its divisors is an integer number (756565630).

Almost surely, 2^1513131259 is an apocalyptic number.

1513131259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513131259 is an equidigital number, since it uses as much as digits as its factorization.

1513131259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 31.

The square root of 1513131259 is about 38898.9878917177. The cubic root of 1513131259 is about 1148.0448844179.

The spelling of 1513131259 in words is "one billion, five hundred thirteen million, one hundred thirty-one thousand, two hundred fifty-nine".