2551552531 has 6 divisors (see below), whose sum is σ = 2804599196. Its totient is φ = 2319593100.

The previous prime is 2551552519. The next prime is 2551552547. The reversal of 2551552531 is 1352551552.

It is not a de Polignac number, because 2551552531 - 2⁹ = 2551552019 is a prime.

It is a super-2 number, since 2×2551552531² = 13020840636905011922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551552231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10543485 + ... + 10543726.

Almost surely, 2^2551552531 is an apocalyptic number.

2551552531 is a deficient number, since it is larger than the sum of its proper divisors (253046665).

2551552531 is a wasteful number, since it uses less digits than its factorization.

2551552531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21087233 (or 21087222 counting only the distinct ones).

The product of its digits is 37500, while the sum is 34.

The square root of 2551552531 is about 50512.8947002644. The cubic root of 2551552531 is about 1366.4744150019.

The spelling of 2551552531 in words is "two billion, five hundred fifty-one million, five hundred fifty-two thousand, five hundred thirty-one".