2297657 has 2 divisors, whose sum is σ = 2297658. Its totient is φ = 2297656.

The previous prime is 2297653. The next prime is 2297671. The reversal of 2297657 is 7567922.

2297657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 212521 = 1444^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 2297657 - 2² = 2297653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2297657.

It is not a weakly prime, because it can be changed into another prime (2297653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1148828 + 1148829.

It is an arithmetic number, because the mean of its divisors is an integer number (1148829).

2^2297657 is an apocalyptic number.

It is an amenable number.

2297657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2297657 is an equidigital number, since it uses as much as digits as its factorization.

2297657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 2297657 is about 1515.8024277590. The cubic root of 2297657 is about 131.9557741341.

It can be divided in two parts, 22 and 97657, that added together give a palindrome (97679).

The spelling of 2297657 in words is "two million, two hundred ninety-seven thousand, six hundred fifty-seven".