2315625128 has 32 divisors (see below), whose sum is σ = 4396752360. Its totient is φ = 1143214080.

The previous prime is 2315625127. The next prime is 2315625149. The reversal of 2315625128 is 8215265132.

It can be written as a sum of positive squares in 4 ways, for example, as 1397413924 + 918211204 = 37382^2 + 30302^2 .

It is not an unprimeable number, because it can be changed into a prime (2315625127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354500 + ... + 360972.

Almost surely, 2^2315625128 is an apocalyptic number.

It is an amenable number.

2315625128 is a deficient number, since it is larger than the sum of its proper divisors (2081127232).

2315625128 is a wasteful number, since it uses less digits than its factorization.

2315625128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037 (or 7033 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 2315625128 is about 48120.9427172827. The cubic root of 2315625128 is about 1322.9885470064.

It can be divided in two parts, 23156 and 25128, that added together give a palindrome (48284).

The spelling of 2315625128 in words is "two billion, three hundred fifteen million, six hundred twenty-five thousand, one hundred twenty-eight".