2515123396 has 12 divisors (see below), whose sum is σ = 4520424748. Its totient is φ = 1223573472.

The previous prime is 2515123381. The next prime is 2515123399. The reversal of 2515123396 is 6933215152.

It can be written as a sum of positive squares in 2 ways, for example, as 925984900 + 1589138496 = 30430^2 + 39864^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (2515123399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8496891 + ... + 8497186.

Almost surely, 2^2515123396 is an apocalyptic number.

It is an amenable number.

2515123396 is a deficient number, since it is larger than the sum of its proper divisors (2005301352).

2515123396 is a wasteful number, since it uses less digits than its factorization.

2515123396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16994118 (or 16994116 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 2515123396 is about 50151.0059320848. The cubic root of 2515123396 is about 1359.9400557489.

The spelling of 2515123396 in words is "two billion, five hundred fifteen million, one hundred twenty-three thousand, three hundred ninety-six".