2297761 has 2 divisors, whose sum is σ = 2297762. Its totient is φ = 2297760.

The previous prime is 2297759. The next prime is 2297777. The reversal of 2297761 is 1677922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2047761 + 250000 = 1431^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2297761 - 2¹ = 2297759 is a prime.

It is a super-2 number, since 2×2297761² = 10559411226242, which contains 22 as substring.

Together with 2297759, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2297731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1148880 + 1148881.

It is an arithmetic number, because the mean of its divisors is an integer number (1148881).

2^2297761 is an apocalyptic number.

It is an amenable number.

2297761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2297761 is an equidigital number, since it uses as much as digits as its factorization.

2297761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 34.

The square root of 2297761 is about 1515.8367326332. The cubic root of 2297761 is about 131.9577650309.

The spelling of 2297761 in words is "two million, two hundred ninety-seven thousand, seven hundred sixty-one".