2057357 has 4 divisors (see below), whose sum is σ = 2178396. Its totient is φ = 1936320.

The previous prime is 2057353. The next prime is 2057371. The reversal of 2057357 is 7537502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 662596 + 1394761 = 814^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 2057357 - 2² = 2057353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60494 + ... + 60527.

It is an arithmetic number, because the mean of its divisors is an integer number (544599).

2^2057357 is an apocalyptic number.

It is an amenable number.

2057357 is a deficient number, since it is larger than the sum of its proper divisors (121039).

2057357 is a wasteful number, since it uses less digits than its factorization.

2057357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121038.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 2057357 is about 1434.3489812455. The cubic root of 2057357 is about 127.1851928560.

The spelling of 2057357 in words is "two million, fifty-seven thousand, three hundred fifty-seven".