2092661 has 2 divisors, whose sum is σ = 2092662. Its totient is φ = 2092660.

The previous prime is 2092637. The next prime is 2092663. The reversal of 2092661 is 1662902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 323761 = 1330^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 2092661 - 2¹⁰ = 2091637 is a prime.

Together with 2092663, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2092661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2092663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1046330 + 1046331.

It is an arithmetic number, because the mean of its divisors is an integer number (1046331).

2^2092661 is an apocalyptic number.

It is an amenable number.

2092661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2092661 is an equidigital number, since it uses as much as digits as its factorization.

2092661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2092661 is about 1446.6032628195. The cubic root of 2092661 is about 127.9085650714.

The spelling of 2092661 in words is "two million, ninety-two thousand, six hundred sixty-one".