2531531262 has 32 divisors (see below), whose sum is σ = 5455578240. Its totient is φ = 778497120.

The previous prime is 2531531257. The next prime is 2531531263. The reversal of 2531531262 is 2621351352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531531263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148789 + ... + 164927.

It is an arithmetic number, because the mean of its divisors is an integer number (170486820).

Almost surely, 2^2531531262 is an apocalyptic number.

2531531262 is an abundant number, since it is smaller than the sum of its proper divisors (2924046978).

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

2531531262 is a wasteful number, since it uses less digits than its factorization.

2531531262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18168.

The product of its digits is 10800, while the sum is 30.

The square root of 2531531262 is about 50314.3246203305. The cubic root of 2531531262 is about 1362.8909204802.

The spelling of 2531531262 in words is "two billion, five hundred thirty-one million, five hundred thirty-one thousand, two hundred sixty-two".