1315225532 has 24 divisors (see below), whose sum is σ = 2384800656. Its totient is φ = 634169088.

The previous prime is 1315225517. The next prime is 1315225559. The reversal of 1315225532 is 2355225131.

It is a junction number, because it is equal to n+sod(n) for n = 1315225495 and 1315225504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22598 + ... + 56045.

It is an arithmetic number, because the mean of its divisors is an integer number (99366694).

Almost surely, 2^1315225532 is an apocalyptic number.

It is an amenable number.

1315225532 is a deficient number, since it is larger than the sum of its proper divisors (1069575124).

1315225532 is a wasteful number, since it uses less digits than its factorization.

1315225532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78797 (or 78795 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 1315225532 is about 36266.0382727422. The cubic root of 1315225532 is about 1095.6371352346.

The spelling of 1315225532 in words is "one billion, three hundred fifteen million, two hundred twenty-five thousand, five hundred thirty-two".