7331315525 has 6 divisors (see below), whose sum is σ = 9090831282. Its totient is φ = 5865052400.

The previous prime is 7331315521. The next prime is 7331315543. The reversal of 7331315525 is 5255131337.

It can be written as a sum of positive squares in 3 ways, for example, as 122965921 + 7208349604 = 11089^2 + 84902^2 .

It is not a de Polignac number, because 7331315525 - 2² = 7331315521 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 (7331315521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146626286 + ... + 146626335.

It is an arithmetic number, because the mean of its divisors is an integer number (1515138547).

Almost surely, 2^7331315525 is an apocalyptic number.

It is an amenable number.

7331315525 is a deficient number, since it is larger than the sum of its proper divisors (1759515757).

7331315525 is a wasteful number, since it uses less digits than its factorization.

7331315525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293252631 (or 293252626 counting only the distinct ones).

The product of its digits is 47250, while the sum is 35.

The square root of 7331315525 is about 85623.1015847943. The cubic root of 7331315525 is about 1942.6473515737.

The spelling of 7331315525 in words is "seven billion, three hundred thirty-one million, three hundred fifteen thousand, five hundred twenty-five".