2553251631 has 8 divisors (see below), whose sum is σ = 3890669184. Its totient is φ = 1459000920.

The previous prime is 2553251587. The next prime is 2553251683. The reversal of 2553251631 is 1361523552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2553251631 - 2¹⁹ = 2552727343 is a prime.

It is a super-2 number, since 2×2553251631² = 13038187782408320322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2553251592 and 2553251601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553252631) 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, 60791685 + ... + 60791726.

It is an arithmetic number, because the mean of its divisors is an integer number (486333648).

Almost surely, 2^2553251631 is an apocalyptic number.

2553251631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2553251631 is a deficient number, since it is larger than the sum of its proper divisors (1337417553).

2553251631 is a wasteful number, since it uses less digits than its factorization.

2553251631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121583421.

The product of its digits is 27000, while the sum is 33.

The square root of 2553251631 is about 50529.7103791423. The cubic root of 2553251631 is about 1366.7776632501. Note that the first 3 decimals are identical.

The spelling of 2553251631 in words is "two billion, five hundred fifty-three million, two hundred fifty-one thousand, six hundred thirty-one".