292661 has 2 divisors, whose sum is σ = 292662. Its totient is φ = 292660.

The previous prime is 292631. The next prime is 292667. The reversal of 292661 is 166292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255025 + 37636 = 505^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 292661 - 2¹⁴ = 276277 is a prime.

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 292661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (292667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146330 + 146331.

It is an arithmetic number, because the mean of its divisors is an integer number (146331).

2²⁹²⁶⁶¹ is an apocalyptic number.

It is an amenable number.

292661 is a deficient number, since it is larger than the sum of its proper divisors (1).

292661 is an equidigital number, since it uses as much as digits as its factorization.

292661 is an odious number, because the sum of its binary digits is odd.

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

The square root of 292661 is about 540.9815153959. The cubic root of 292661 is about 66.3928967337.

The spelling of 292661 in words is "two hundred ninety-two thousand, six hundred sixty-one".