5315310521 has 8 divisors (see below), whose sum is σ = 5349870240. Its totient is φ = 5280774912.

The previous prime is 5315310509. The next prime is 5315310547. The reversal of 5315310521 is 1250135135.

It is a happy number.

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-5315310521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5315310551) 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, 695306 + ... + 702908.

It is an arithmetic number, because the mean of its divisors is an integer number (668733780).

Almost surely, 2^5315310521 is an apocalyptic number.

It is an amenable number.

5315310521 is a deficient number, since it is larger than the sum of its proper divisors (34559719).

5315310521 is a wasteful number, since it uses less digits than its factorization.

5315310521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12055.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 5315310521 is about 72906.1761512699. The cubic root of 5315310521 is about 1745.1906613456.

Adding to 5315310521 its reverse (1250135135), we get a palindrome (6565445656).

The spelling of 5315310521 in words is "five billion, three hundred fifteen million, three hundred ten thousand, five hundred twenty-one".