1315283515 has 32 divisors (see below), whose sum is σ = 1945359360. Its totient is φ = 831337344.

The previous prime is 1315283513. The next prime is 1315283573. The reversal of 1315283515 is 5153825131.

It is a cyclic number.

It is not a de Polignac number, because 1315283515 - 2¹ = 1315283513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1315283513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401956 + ... + 405214.

It is an arithmetic number, because the mean of its divisors is an integer number (60792480).

Almost surely, 2^1315283515 is an apocalyptic number.

1315283515 is a deficient number, since it is larger than the sum of its proper divisors (630075845).

1315283515 is a wasteful number, since it uses less digits than its factorization.

1315283515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171.

The product of its digits is 18000, while the sum is 34.

The square root of 1315283515 is about 36266.8376757610. The cubic root of 1315283515 is about 1095.6532357419.

The spelling of 1315283515 in words is "one billion, three hundred fifteen million, two hundred eighty-three thousand, five hundred fifteen".