450859 has 2 divisors, whose sum is σ = 450860. Its totient is φ = 450858.

The previous prime is 450847. The next prime is 450881. The reversal of 450859 is 958054.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450859 is a prime.

It is a Chen prime.

450859 is a lucky number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 450859.

It is not a weakly prime, because it can be changed into another prime (450809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225429 + 225430.

It is an arithmetic number, because the mean of its divisors is an integer number (225430).

2⁴⁵⁰⁸⁵⁹ is an apocalyptic number.

450859 is a deficient number, since it is larger than the sum of its proper divisors (1).

450859 is an equidigital number, since it uses as much as digits as its factorization.

450859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 450859 is about 671.4603487921. The cubic root of 450859 is about 76.6796722318.

The spelling of 450859 in words is "four hundred fifty thousand, eight hundred fifty-nine".