5731657 has 2 divisors, whose sum is σ = 5731658. Its totient is φ = 5731656.

The previous prime is 5731651. The next prime is 5731667. The reversal of 5731657 is 7561375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5707321 + 24336 = 2389^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 5731657 - 2¹¹ = 5729609 is a prime.

It is not a weakly prime, because it can be changed into another prime (5731651) 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 as a sum of consecutive naturals, namely, 2865828 + 2865829.

It is an arithmetic number, because the mean of its divisors is an integer number (2865829).

Almost surely, 2^5731657 is an apocalyptic number.

It is an amenable number.

5731657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5731657 is an equidigital number, since it uses as much as digits as its factorization.

5731657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22050, while the sum is 34.

The square root of 5731657 is about 2394.0879265390. The cubic root of 5731657 is about 178.9616867117.

The spelling of 5731657 in words is "five million, seven hundred thirty-one thousand, six hundred fifty-seven".