2557484 has 6 divisors (see below), whose sum is σ = 4475604. Its totient is φ = 1278740.

The previous prime is 2557453. The next prime is 2557501. The reversal of 2557484 is 4847552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319682 + ... + 319689.

It is an arithmetic number, because the mean of its divisors is an integer number (745934).

2^2557484 is an apocalyptic number.

It is an amenable number.

2557484 is a deficient number, since it is larger than the sum of its proper divisors (1918120).

2557484 is a wasteful number, since it uses less digits than its factorization.

2557484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639375 (or 639373 counting only the distinct ones).

The product of its digits is 44800, while the sum is 35.

The square root of 2557484 is about 1599.2135567209. The cubic root of 2557484 is about 136.7532454247.

The spelling of 2557484 in words is "two million, five hundred fifty-seven thousand, four hundred eighty-four".