1315325732 has 12 divisors (see below), whose sum is σ = 2630651520. Its totient is φ = 563711016.

The previous prime is 1315325731. The next prime is 1315325741. The reversal of 1315325732 is 2375235131.

1315325732 is an admirable number.

It is a super-2 number, since 2×1315325732² = 3460163562522671648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1315325731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23487932 + ... + 23487987.

It is an arithmetic number, because the mean of its divisors is an integer number (219220960).

Almost surely, 2^1315325732 is an apocalyptic number.

It is an amenable number.

1315325732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315325732 is a wasteful number, since it uses less digits than its factorization.

1315325732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46975930 (or 46975928 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 1315325732 is about 36267.4197041918. The cubic root of 1315325732 is about 1095.6649581062.

The spelling of 1315325732 in words is "one billion, three hundred fifteen million, three hundred twenty-five thousand, seven hundred thirty-two".