492731 has 2 divisors, whose sum is σ = 492732. Its totient is φ = 492730.

The previous prime is 492721. The next prime is 492757. The reversal of 492731 is 137294.

It is an a-pointer prime, because the next prime (492757) can be obtained adding 492731 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492731 - 2¹⁰ = 491707 is a prime.

It is a super-2 number, since 2×492731² = 485567676722, which contains 22 as substring.

It is a Sophie Germain 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 492731.

It is not a weakly prime, because it can be changed into another prime (492721) 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, 246365 + 246366.

It is an arithmetic number, because the mean of its divisors is an integer number (246366).

2⁴⁹²⁷³¹ is an apocalyptic number.

492731 is a deficient number, since it is larger than the sum of its proper divisors (1).

492731 is an equidigital number, since it uses as much as digits as its factorization.

492731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 492731 is about 701.9480037724. The cubic root of 492731 is about 78.9835462181.

The spelling of 492731 in words is "four hundred ninety-two thousand, seven hundred thirty-one".