2557282 has 16 divisors (see below), whose sum is σ = 4721472. Its totient is φ = 1011600.

The previous prime is 2557279. The next prime is 2557297. The reversal of 2557282 is 2827552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6844 + ... + 7207.

It is an arithmetic number, because the mean of its divisors is an integer number (295092).

2^2557282 is an apocalyptic number.

2557282 is a deficient number, since it is larger than the sum of its proper divisors (2164190).

2557282 is a wasteful number, since it uses less digits than its factorization.

2557282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14073.

The product of its digits is 11200, while the sum is 31.

The square root of 2557282 is about 1599.1503994309. The cubic root of 2557282 is about 136.7496448961.

The spelling of 2557282 in words is "two million, five hundred fifty-seven thousand, two hundred eighty-two".