2645297 has 2 divisors, whose sum is σ = 2645298. Its totient is φ = 2645296.

The previous prime is 2645267. The next prime is 2645311. The reversal of 2645297 is 7925462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2637376 + 7921 = 1624^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 2645297 - 2⁶ = 2645233 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2²⁰ + 6 + 4⁵ + 5⁶ + 2²⁰ + 9⁶ + 7² .

It is not a weakly prime, because it can be changed into another prime (2645257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322648 + 1322649.

It is an arithmetic number, because the mean of its divisors is an integer number (1322649).

2^2645297 is an apocalyptic number.

It is an amenable number.

2645297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645297 is an equidigital number, since it uses as much as digits as its factorization.

2645297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 2645297 is about 1626.4369031721. The cubic root of 2645297 is about 138.3008384829.

The spelling of 2645297 in words is "two million, six hundred forty-five thousand, two hundred ninety-seven".