2557380127 has 4 divisors (see below), whose sum is σ = 2580842440. Its totient is φ = 2533917816.

The previous prime is 2557380103. The next prime is 2557380181. The reversal of 2557380127 is 7210837552.

It is a happy number.

2557380127 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 a de Polignac number, because none of the positive numbers 2^k-2557380127 is a prime.

It is a super-2 number, since 2×2557380127² = 13080386227949072258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2557380127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557380827) 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, 11730993 + ... + 11731210.

It is an arithmetic number, because the mean of its divisors is an integer number (645210610).

Almost surely, 2^2557380127 is an apocalyptic number.

2557380127 is a deficient number, since it is larger than the sum of its proper divisors (23462313).

2557380127 is a wasteful number, since it uses less digits than its factorization.

2557380127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23462312.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 2557380127 is about 50570.5460421380. The cubic root of 2557380127 is about 1367.5139397461.

The spelling of 2557380127 in words is "two billion, five hundred fifty-seven million, three hundred eighty thousand, one hundred twenty-seven".