2307161 has 2 divisors, whose sum is σ = 2307162. Its totient is φ = 2307160.

The previous prime is 2307157. The next prime is 2307163. The reversal of 2307161 is 1617032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2131600 + 175561 = 1460^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 2307161 - 2² = 2307157 is a prime.

Together with 2307163, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (2307163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1153580 + 1153581.

It is an arithmetic number, because the mean of its divisors is an integer number (1153581).

2^2307161 is an apocalyptic number.

It is an amenable number.

2307161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2307161 is an equidigital number, since it uses as much as digits as its factorization.

2307161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2307161 is about 1518.9341657886. The cubic root of 2307161 is about 132.1374639282.

It can be divided in two parts, 23071 and 61, that added together give a palindrome (23132).

The spelling of 2307161 in words is "two million, three hundred seven thousand, one hundred sixty-one".