1315045525 has 6 divisors (see below), whose sum is σ = 1630656482. Its totient is φ = 1052036400.

The previous prime is 1315045519. The next prime is 1315045549. The reversal of 1315045525 is 5255405131.

It can be written as a sum of positive squares in 3 ways, for example, as 153190129 + 1161855396 = 12377^2 + 34086^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1315045525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26300886 + ... + 26300935.

Almost surely, 2^1315045525 is an apocalyptic number.

It is an amenable number.

1315045525 is a deficient number, since it is larger than the sum of its proper divisors (315610957).

1315045525 is an equidigital number, since it uses as much as digits as its factorization.

1315045525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52601831 (or 52601826 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1315045525 is about 36263.5564306647. The cubic root of 1315045525 is about 1095.5871485347.

The spelling of 1315045525 in words is "one billion, three hundred fifteen million, forty-five thousand, five hundred twenty-five".