2555555131 has 4 divisors (see below), whose sum is σ = 2556290664. Its totient is φ = 2554819600.

The previous prime is 2555555069. The next prime is 2555555161. The reversal of 2555555131 is 1315555552.

2555555131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2555555131 - 2²¹ = 2553457979 is a prime.

It is a super-2 number, since 2×2555555131² = 13061724055160854322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555555161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362530 + ... + 369511.

It is an arithmetic number, because the mean of its divisors is an integer number (639072666).

Almost surely, 2^2555555131 is an apocalyptic number.

2555555131 is a deficient number, since it is larger than the sum of its proper divisors (735533).

2555555131 is an equidigital number, since it uses as much as digits as its factorization.

2555555131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735532.

The product of its digits is 93750, while the sum is 37.

The square root of 2555555131 is about 50552.4987611888. The cubic root of 2555555131 is about 1367.1885675236.

The spelling of 2555555131 in words is "two billion, five hundred fifty-five million, five hundred fifty-five thousand, one hundred thirty-one".