2591325531 has 12 divisors (see below), whose sum is σ = 3790406880. Its totient is φ = 1705682160.

The previous prime is 2591325509. The next prime is 2591325547. The reversal of 2591325531 is 1355231952.

2591325531 is a `hidden beast` number, since 2 + 5 + 91 + 32 + 5 + 531 = 666.

It is not a de Polignac number, because 2591325531 - 2¹⁰ = 2591324507 is a prime.

It is a super-2 number, since 2×2591325531² = 13429936015224863922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2591325931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1821600 + ... + 1823021.

It is an arithmetic number, because the mean of its divisors is an integer number (315867240).

Almost surely, 2^2591325531 is an apocalyptic number.

2591325531 is a deficient number, since it is larger than the sum of its proper divisors (1199081349).

2591325531 is a wasteful number, since it uses less digits than its factorization.

2591325531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644706 (or 3644703 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 2591325531 is about 50905.0639033093. The cubic root of 2591325531 is about 1373.5379334640.

The spelling of 2591325531 in words is "two billion, five hundred ninety-one million, three hundred twenty-five thousand, five hundred thirty-one".