2515215325 has 18 divisors (see below), whose sum is σ = 3628071546. Its totient is φ = 1724718240.

The previous prime is 2515215323. The next prime is 2515215403. The reversal of 2515215325 is 5235125152.

It can be written as a sum of positive squares in 3 ways, for example, as 782824441 + 1732390884 = 27979^2 + 41622^2 .

It is not a de Polignac number, because 2515215325 - 2¹ = 2515215323 is a prime.

It is a super-2 number, since 2×2515215325² = 12652616262229711250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515215323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1025394 + ... + 1027843.

Almost surely, 2^2515215325 is an apocalyptic number.

2515215325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2515215325 is a deficient number, since it is larger than the sum of its proper divisors (1112856221).

2515215325 is a wasteful number, since it uses less digits than its factorization.

2515215325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053261 (or 2053249 counting only the distinct ones).

The product of its digits is 15000, while the sum is 31.

The square root of 2515215325 is about 50151.9224457049. The cubic root of 2515215325 is about 1359.9566243735.

The spelling of 2515215325 in words is "two billion, five hundred fifteen million, two hundred fifteen thousand, three hundred twenty-five".