494539 has 2 divisors, whose sum is σ = 494540. Its totient is φ = 494538.

The previous prime is 494521. The next prime is 494561. The reversal of 494539 is 935494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494539 - 2¹¹ = 492491 is a prime.

494539 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (494519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247269 + 247270.

It is an arithmetic number, because the mean of its divisors is an integer number (247270).

2⁴⁹⁴⁵³⁹ is an apocalyptic number.

494539 is a deficient number, since it is larger than the sum of its proper divisors (1).

494539 is an equidigital number, since it uses as much as digits as its factorization.

494539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 494539 is about 703.2346692250. The cubic root of 494539 is about 79.0800342567.

The spelling of 494539 in words is "four hundred ninety-four thousand, five hundred thirty-nine".