492641 has 2 divisors, whose sum is σ = 492642. Its totient is φ = 492640.

The previous prime is 492631. The next prime is 492647. The reversal of 492641 is 146294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 108241 = 620^2 + 329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492641 is a 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 492641.

It is not a weakly prime, because it can be changed into another prime (492647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246320 + 246321.

It is an arithmetic number, because the mean of its divisors is an integer number (246321).

2⁴⁹²⁶⁴¹ is an apocalyptic number.

It is an amenable number.

492641 is a deficient number, since it is larger than the sum of its proper divisors (1).

492641 is an equidigital number, since it uses as much as digits as its factorization.

492641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 492641 is about 701.8838935323. The cubic root of 492641 is about 78.9787370004.

The spelling of 492641 in words is "four hundred ninety-two thousand, six hundred forty-one".