492631 has 2 divisors, whose sum is σ = 492632. Its totient is φ = 492630.

The previous prime is 492629. The next prime is 492641. The reversal of 492631 is 136294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492631 - 2¹ = 492629 is a prime.

It is a super-2 number, since 2×492631² = 485370604322, which contains 22 as substring.

Together with 492629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 492596 and 492605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246315 + 246316.

It is an arithmetic number, because the mean of its divisors is an integer number (246316).

2⁴⁹²⁶³¹ is an apocalyptic number.

492631 is a deficient number, since it is larger than the sum of its proper divisors (1).

492631 is an equidigital number, since it uses as much as digits as its factorization.

492631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 492631 is about 701.8767698108. The cubic root of 492631 is about 78.9782026067.

The spelling of 492631 in words is "four hundred ninety-two thousand, six hundred thirty-one".