2531523872 has 24 divisors (see below), whose sum is σ = 5009773356. Its totient is φ = 1259200512.

The previous prime is 2531523871. The next prime is 2531523889. The reversal of 2531523872 is 2783251352.

It can be written as a sum of positive squares in 2 ways, for example, as 2189865616 + 341658256 = 46796^2 + 18484^2 .

It is a super-2 number, since 2×2531523872² = 12817226229011744768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2531523871) 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, 198773 + ... + 211124.

Almost surely, 2^2531523872 is an apocalyptic number.

It is an amenable number.

2531523872 is a deficient number, since it is larger than the sum of its proper divisors (2478249484).

2531523872 is a wasteful number, since it uses less digits than its factorization.

2531523872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410100 (or 410092 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 2531523872 is about 50314.2511819465. The cubic root of 2531523872 is about 1362.8895943035.

The spelling of 2531523872 in words is "two billion, five hundred thirty-one million, five hundred twenty-three thousand, eight hundred seventy-two".