5313015521 has 8 divisors (see below), whose sum is σ = 5799821088. Its totient is φ = 4826844000.

The previous prime is 5313015517. The next prime is 5313015551. The reversal of 5313015521 is 1255103135.

It is a happy number.

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

It is not a de Polignac number, because 5313015521 - 2² = 5313015517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5313015511) 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, 140900 + ... + 174581.

It is an arithmetic number, because the mean of its divisors is an integer number (724977636).

Almost surely, 2^5313015521 is an apocalyptic number.

It is an amenable number.

5313015521 is a deficient number, since it is larger than the sum of its proper divisors (486805567).

5313015521 is a wasteful number, since it uses less digits than its factorization.

5313015521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317023.

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

The square root of 5313015521 is about 72890.4350446614. The cubic root of 5313015521 is about 1744.9394506129.

Adding to 5313015521 its reverse (1255103135), we get a palindrome (6568118656).

The spelling of 5313015521 in words is "five billion, three hundred thirteen million, fifteen thousand, five hundred twenty-one".