2302661 has 2 divisors, whose sum is σ = 2302662. Its totient is φ = 2302660.

The previous prime is 2302631. The next prime is 2302679. The reversal of 2302661 is 1662032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2265025 + 37636 = 1505^2 + 194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2302661 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2302631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151330 + 1151331.

It is an arithmetic number, because the mean of its divisors is an integer number (1151331).

2^2302661 is an apocalyptic number.

It is an amenable number.

2302661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2302661 is an equidigital number, since it uses as much as digits as its factorization.

2302661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2302661 is about 1517.4521409257. The cubic root of 2302661 is about 132.0514988831.

Adding to 2302661 its reverse (1662032), we get a palindrome (3964693).

The spelling of 2302661 in words is "two million, three hundred two thousand, six hundred sixty-one".