1315452516 has 48 divisors (see below), whose sum is σ = 3512785920. Its totient is φ = 375317280.

The previous prime is 1315452511. The next prime is 1315452559. The reversal of 1315452516 is 6152545131.

It is not an unprimeable number, because it can be changed into a prime (1315452511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51481 + ... + 72671.

It is an arithmetic number, because the mean of its divisors is an integer number (73183040).

Almost surely, 2^1315452516 is an apocalyptic number.

It is an amenable number.

1315452516 is an abundant number, since it is smaller than the sum of its proper divisors (2197333404).

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

1315452516 is a wasteful number, since it uses less digits than its factorization.

1315452516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21944 (or 21942 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 1315452516 is about 36269.1675669569. The cubic root of 1315452516 is about 1095.7001606216.

Adding to 1315452516 its reverse (6152545131), we get a palindrome (7467997647).

The spelling of 1315452516 in words is "one billion, three hundred fifteen million, four hundred fifty-two thousand, five hundred sixteen".