1513125151 has 8 divisors (see below), whose sum is σ = 1574559360. Its totient is φ = 1452883992.

The previous prime is 1513125139. The next prime is 1513125179. The reversal of 1513125151 is 1515213151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1513125151 - 2²⁷ = 1378907423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513125121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295675 + ... + 300748.

It is an arithmetic number, because the mean of its divisors is an integer number (196819920).

Almost surely, 2^1513125151 is an apocalyptic number.

1513125151 is a deficient number, since it is larger than the sum of its proper divisors (61434209).

1513125151 is an equidigital number, since it uses as much as digits as its factorization.

1513125151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596525.

The product of its digits is 750, while the sum is 25.

The square root of 1513125151 is about 38898.9093805983. The cubic root of 1513125151 is about 1148.0433396593.

The spelling of 1513125151 in words is "one billion, five hundred thirteen million, one hundred twenty-five thousand, one hundred fifty-one".