492257 has 2 divisors, whose sum is σ = 492258. Its totient is φ = 492256.

The previous prime is 492253. The next prime is 492281. The reversal of 492257 is 752294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312481 + 179776 = 559^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 492257 - 2² = 492253 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 492257.

It is not a weakly prime, because it can be changed into another prime (492251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246128 + 246129.

It is an arithmetic number, because the mean of its divisors is an integer number (246129).

2⁴⁹²²⁵⁷ is an apocalyptic number.

It is an amenable number.

492257 is a deficient number, since it is larger than the sum of its proper divisors (1).

492257 is an equidigital number, since it uses as much as digits as its factorization.

492257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 492257 is about 701.6102906885. The cubic root of 492257 is about 78.9582110878.

The spelling of 492257 in words is "four hundred ninety-two thousand, two hundred fifty-seven".