2531251051 has 12 divisors (see below), whose sum is σ = 2996058832. Its totient is φ = 2094823584.

The previous prime is 2531251049. The next prime is 2531251061. The reversal of 2531251051 is 1501521352.

It is not a de Polignac number, because 2531251051 - 2¹ = 2531251049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531251031) 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, 209100 + ... + 220873.

Almost surely, 2^2531251051 is an apocalyptic number.

2531251051 is a deficient number, since it is larger than the sum of its proper divisors (464807781).

2531251051 is an equidigital number, since it uses as much as digits as its factorization.

2531251051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430038 (or 430009 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2531251051 is about 50311.5399386662. The cubic root of 2531251051 is about 1362.8406332457.

The spelling of 2531251051 in words is "two billion, five hundred thirty-one million, two hundred fifty-one thousand, fifty-one".