492281 has 2 divisors, whose sum is σ = 492282. Its totient is φ = 492280.

The previous prime is 492257. The next prime is 492293. The reversal of 492281 is 182294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319225 + 173056 = 565^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 492281 - 2¹⁴ = 475897 is a prime.

It is a super-2 number, since 2×492281² = 484681165922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 492281.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 492281.

It is not a weakly prime, because it can be changed into another prime (492251) 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, 246140 + 246141.

It is an arithmetic number, because the mean of its divisors is an integer number (246141).

2⁴⁹²²⁸¹ is an apocalyptic number.

It is an amenable number.

492281 is a deficient number, since it is larger than the sum of its proper divisors (1).

492281 is an equidigital number, since it uses as much as digits as its factorization.

492281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 492281 is about 701.6273939920. The cubic root of 492281 is about 78.9594942700.

The spelling of 492281 in words is "four hundred ninety-two thousand, two hundred eighty-one".