2057057 has 8 divisors (see below), whose sum is σ = 2154600. Its totient is φ = 1961344.

The previous prime is 2057053. The next prime is 2057087. The reversal of 2057057 is 7507502.

It can be written as a sum of positive squares in 4 ways, for example, as 108241 + 1948816 = 329^2 + 1396^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2057057 - 2² = 2057053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057053) 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, 2183 + ... + 2979.

It is an arithmetic number, because the mean of its divisors is an integer number (269325).

2^2057057 is an apocalyptic number.

It is an amenable number.

2057057 is a deficient number, since it is larger than the sum of its proper divisors (97543).

2057057 is an equidigital number, since it uses as much as digits as its factorization.

2057057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915.

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 2057057 is about 1434.2444003725. The cubic root of 2057057 is about 127.1790105855.

The spelling of 2057057 in words is "two million, fifty-seven thousand, fifty-seven".