2531531260 has 24 divisors (see below), whose sum is σ = 5439850416. Its totient is φ = 989063040.

The previous prime is 2531531257. The next prime is 2531531263. The reversal of 2531531260 is 621351352.

It is an interprime number because it is at equal distance from previous prime (2531531257) and next prime (2531531263).

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1470961 + ... + 1472680.

It is an arithmetic number, because the mean of its divisors is an integer number (226660434).

Almost surely, 2^2531531260 is an apocalyptic number.

2531531260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531531260 is an abundant number, since it is smaller than the sum of its proper divisors (2908319156).

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

2531531260 is a wasteful number, since it uses less digits than its factorization.

2531531260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943693 (or 2943691 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2531531260 is about 50314.3246004555. The cubic root of 2531531260 is about 1362.8909201213.

The spelling of 2531531260 in words is "two billion, five hundred thirty-one million, five hundred thirty-one thousand, two hundred sixty".