2557179 has 6 divisors (see below), whose sum is σ = 3693716. Its totient is φ = 1704780.

The previous prime is 2557171. The next prime is 2557199. The reversal of 2557179 is 9717552.

It is not a de Polignac number, because 2557179 - 2³ = 2557171 is a prime.

It is a Duffinian number.

2557179 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2557171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142057 + ... + 142074.

2^2557179 is an apocalyptic number.

2557179 is a deficient number, since it is larger than the sum of its proper divisors (1136537).

2557179 is a wasteful number, since it uses less digits than its factorization.

2557179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284137 (or 284134 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The square root of 2557179 is about 1599.1181945060. The cubic root of 2557179 is about 136.7478089100.

The spelling of 2557179 in words is "two million, five hundred fifty-seven thousand, one hundred seventy-nine".