2057317 has 2 divisors, whose sum is σ = 2057318. Its totient is φ = 2057316.

The previous prime is 2057309. The next prime is 2057333. The reversal of 2057317 is 7137502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2056356 + 961 = 1434^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 2057317 - 2³ = 2057309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2057291 and 2057300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028658 + 1028659.

It is an arithmetic number, because the mean of its divisors is an integer number (1028659).

2^2057317 is an apocalyptic number.

It is an amenable number.

2057317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057317 is an equidigital number, since it uses as much as digits as its factorization.

2057317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 2057317 is about 1434.3350375697. The cubic root of 2057317 is about 127.1843685880.

The spelling of 2057317 in words is "two million, fifty-seven thousand, three hundred seventeen".