2557064 has 16 divisors (see below), whose sum is σ = 4853520. Its totient is φ = 1262800.

The previous prime is 2557063. The next prime is 2557067. The reversal of 2557064 is 4607552.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2557063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262 + ... + 2589.

It is an arithmetic number, because the mean of its divisors is an integer number (303345).

2^2557064 is an apocalyptic number.

It is an amenable number.

2557064 is a deficient number, since it is larger than the sum of its proper divisors (2296456).

2557064 is a wasteful number, since it uses less digits than its factorization.

2557064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940 (or 3936 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2557064 is about 1599.0822367846. The cubic root of 2557064 is about 136.7457589644.

The spelling of 2557064 in words is "two million, five hundred fifty-seven thousand, sixty-four".