1315493525 has 12 divisors (see below), whose sum is σ = 1683832704. Its totient is φ = 1018446000.

The previous prime is 1315493503. The next prime is 1315493561. The reversal of 1315493525 is 5253945131.

It is not a de Polignac number, because 1315493525 - 2²² = 1311299221 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 847931 + ... + 849480.

It is an arithmetic number, because the mean of its divisors is an integer number (140319392).

Almost surely, 2^1315493525 is an apocalyptic number.

It is an amenable number.

1315493525 is a deficient number, since it is larger than the sum of its proper divisors (368339179).

1315493525 is a wasteful number, since it uses less digits than its factorization.

1315493525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697452 (or 1697447 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

The square root of 1315493525 is about 36269.7329049995. The cubic root of 1315493525 is about 1095.7115465897.

The spelling of 1315493525 in words is "one billion, three hundred fifteen million, four hundred ninety-three thousand, five hundred twenty-five".