492431 has 2 divisors, whose sum is σ = 492432. Its totient is φ = 492430.

The previous prime is 492421. The next prime is 492463. The reversal of 492431 is 134294.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492431 is a prime.

It is a super-2 number, since 2×492431² = 484976579522, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 492397 and 492406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492421) 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, 246215 + 246216.

It is an arithmetic number, because the mean of its divisors is an integer number (246216).

2⁴⁹²⁴³¹ is an apocalyptic number.

492431 is a deficient number, since it is larger than the sum of its proper divisors (1).

492431 is an equidigital number, since it uses as much as digits as its factorization.

492431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 492431 is about 701.7342801944. The cubic root of 492431 is about 78.9675132140.

The spelling of 492431 in words is "four hundred ninety-two thousand, four hundred thirty-one".