2657057 has 8 divisors (see below), whose sum is σ = 2874984. Its totient is φ = 2441088.

The previous prime is 2657047. The next prime is 2657059. The reversal of 2657057 is 7507562.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 226576 + 2430481 = 476^2 + 1559^2 .

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

It is not a de Polignac number, because 2657057 - 2⁶ = 2656993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2657059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3743 + ... + 4395.

It is an arithmetic number, because the mean of its divisors is an integer number (359373).

2^2657057 is an apocalyptic number.

It is an amenable number.

2657057 is a deficient number, since it is larger than the sum of its proper divisors (217927).

2657057 is a wasteful number, since it uses less digits than its factorization.

2657057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 2657057 is about 1630.0481587978. The cubic root of 2657057 is about 138.5054801100.

The spelling of 2657057 in words is "two million, six hundred fifty-seven thousand, fifty-seven".