2557425105 has 12 divisors (see below), whose sum is σ = 4432870260. Its totient is φ = 1363960032.

The previous prime is 2557425077. The next prime is 2557425113. The reversal of 2557425105 is 5015247552.

It can be written as a sum of positive squares in 2 ways, for example, as 1264015809 + 1293409296 = 35553^2 + 35964^2 .

It is not a de Polignac number, because 2557425105 - 2⁷ = 2557424977 is a prime.

It is a super-2 number, since 2×2557425105² = 13080846335368522050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2557425105.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 28415790 + ... + 28415879.

It is an arithmetic number, because the mean of its divisors is an integer number (369405855).

Almost surely, 2^2557425105 is an apocalyptic number.

It is an amenable number.

2557425105 is a deficient number, since it is larger than the sum of its proper divisors (1875445155).

2557425105 is a wasteful number, since it uses less digits than its factorization.

2557425105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56831680 (or 56831677 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

The square root of 2557425105 is about 50570.9907456834. The cubic root of 2557425105 is about 1367.5219567633.

The spelling of 2557425105 in words is "two billion, five hundred fifty-seven million, four hundred twenty-five thousand, one hundred five".