2298161 has 2 divisors, whose sum is σ = 2298162. Its totient is φ = 2298160.

The previous prime is 2298151. The next prime is 2298193. The reversal of 2298161 is 1618922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 295936 = 1415^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2298161 - 2⁶ = 2298097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2298151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149080 + 1149081.

It is an arithmetic number, because the mean of its divisors is an integer number (1149081).

2^2298161 is an apocalyptic number.

It is an amenable number.

2298161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2298161 is an equidigital number, since it uses as much as digits as its factorization.

2298161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 2298161 is about 1515.9686672224. The cubic root of 2298161 is about 131.9654217662.

The spelling of 2298161 in words is "two million, two hundred ninety-eight thousand, one hundred sixty-one".