493109 has 2 divisors, whose sum is σ = 493110. Its totient is φ = 493108.

The previous prime is 493093. The next prime is 493111. The reversal of 493109 is 901394.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253009 + 240100 = 503^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 493109 - 2⁴ = 493093 is a prime.

Together with 493111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493139) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246554 + 246555.

It is an arithmetic number, because the mean of its divisors is an integer number (246555).

2⁴⁹³¹⁰⁹ is an apocalyptic number.

It is an amenable number.

493109 is a deficient number, since it is larger than the sum of its proper divisors (1).

493109 is an equidigital number, since it uses as much as digits as its factorization.

493109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 493109 is about 702.2172028653. The cubic root of 493109 is about 79.0037385402.

The spelling of 493109 in words is "four hundred ninety-three thousand, one hundred nine".