2531853252 has 36 divisors (see below), whose sum is σ = 6401888220. Its totient is φ = 843697152.

The previous prime is 2531853239. The next prime is 2531853257. The reversal of 2531853252 is 2523581352.

2531853252 is a `hidden beast` number, since 253 + 1 + 85 + 325 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 965593476 + 1566259776 = 31074^2 + 39576^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2531853257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140128 + ... + 157160.

Almost surely, 2^2531853252 is an apocalyptic number.

It is an amenable number.

2531853252 is an abundant number, since it is smaller than the sum of its proper divisors (3870034968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531853252 is a wasteful number, since it uses less digits than its factorization.

2531853252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21172 (or 21167 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 2531853252 is about 50317.5243031690. The cubic root of 2531853252 is about 1362.9487008771.

The spelling of 2531853252 in words is "two billion, five hundred thirty-one million, eight hundred fifty-three thousand, two hundred fifty-two".