1315664501 has 8 divisors (see below), whose sum is σ = 1326971904. Its totient is φ = 1304372160.

The previous prime is 1315664491. The next prime is 1315664509. The reversal of 1315664501 is 1054665131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315664501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315664509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235106 + ... + 240636.

It is an arithmetic number, because the mean of its divisors is an integer number (165871488).

Almost surely, 2^1315664501 is an apocalyptic number.

It is an amenable number.

1315664501 is a deficient number, since it is larger than the sum of its proper divisors (11307403).

1315664501 is a wasteful number, since it uses less digits than its factorization.

1315664501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1315664501 is about 36272.0898350233. The cubic root of 1315664501 is about 1095.7590147726.

The spelling of 1315664501 in words is "one billion, three hundred fifteen million, six hundred sixty-four thousand, five hundred one".