409259 has 2 divisors, whose sum is σ = 409260. Its totient is φ = 409258.

The previous prime is 409237. The next prime is 409261. The reversal of 409259 is 952904.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-409259 is a prime.

Together with 409261, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 409259.

It is not a weakly prime, because it can be changed into another prime (409289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204629 + 204630.

It is an arithmetic number, because the mean of its divisors is an integer number (204630).

2⁴⁰⁹²⁵⁹ is an apocalyptic number.

409259 is a deficient number, since it is larger than the sum of its proper divisors (1).

409259 is an equidigital number, since it uses as much as digits as its factorization.

409259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 409259 is about 639.7335382798. The cubic root of 409259 is about 74.2448064781.

The spelling of 409259 in words is "four hundred nine thousand, two hundred fifty-nine".