1315005125 has 16 divisors (see below), whose sum is σ = 1875574272. Its totient is φ = 901717200.

The previous prime is 1315005113. The next prime is 1315005179. The reversal of 1315005125 is 5215005131.

It is a happy number.

It is not a de Polignac number, because 1315005125 - 2⁶ = 1315005061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1315005125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750557 + ... + 752306.

It is an arithmetic number, because the mean of its divisors is an integer number (117223392).

Almost surely, 2^1315005125 is an apocalyptic number.

It is an amenable number.

1315005125 is a deficient number, since it is larger than the sum of its proper divisors (560569147).

1315005125 is an equidigital number, since it uses as much as digits as its factorization.

1315005125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502885 (or 1502875 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1315005125 is about 36262.9993933210. Note that the first 3 decimals coincide. The cubic root of 1315005125 is about 1095.5759291071.

The spelling of 1315005125 in words is "one billion, three hundred fifteen million, five thousand, one hundred twenty-five".