2057517 has 24 divisors (see below), whose sum is σ = 3706560. Its totient is φ = 1068480.

The previous prime is 2057483. The next prime is 2057537. The reversal of 2057517 is 7157502.

It is not a de Polignac number, because 2057517 - 2¹² = 2053421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057537) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 792 + ... + 2177.

It is an arithmetic number, because the mean of its divisors is an integer number (154440).

2^2057517 is an apocalyptic number.

It is an amenable number.

2057517 is a deficient number, since it is larger than the sum of its proper divisors (1649043).

2057517 is a wasteful number, since it uses less digits than its factorization.

2057517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993 (or 2990 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 2057517 is about 1434.4047545933. The cubic root of 2057517 is about 127.1884898212.

The spelling of 2057517 in words is "two million, fifty-seven thousand, five hundred seventeen".