2457057 has 8 divisors (see below), whose sum is σ = 3286240. Its totient is φ = 1632960.

The previous prime is 2457047. The next prime is 2457073. The reversal of 2457057 is 7507542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2457057 - 2⁸ = 2456801 is a prime.

It is an Ulam number.

It is the 1568-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2457047) by changing a digit.

It is a nontrivial repunit in base 1567.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (410780).

2^2457057 is an apocalyptic number.

It is an amenable number.

2457057 is a deficient number, since it is larger than the sum of its proper divisors (829183).

2457057 is a wasteful number, since it uses less digits than its factorization.

2457057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 2457057 is about 1567.5002392344. The cubic root of 2457057 is about 134.9392868287.

The spelling of 2457057 in words is "two million, four hundred fifty-seven thousand, fifty-seven".