420599 has 2 divisors, whose sum is σ = 420600. Its totient is φ = 420598.

The previous prime is 420593. The next prime is 420613. The reversal of 420599 is 995024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420599 - 2¹² = 416503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210299 + 210300.

It is an arithmetic number, because the mean of its divisors is an integer number (210300).

2⁴²⁰⁵⁹⁹ is an apocalyptic number.

420599 is a deficient number, since it is larger than the sum of its proper divisors (1).

420599 is an equidigital number, since it uses as much as digits as its factorization.

420599 is an odious number, because the sum of its binary digits is odd.

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

The square root of 420599 is about 648.5360437169. The cubic root of 420599 is about 74.9243088222.

The spelling of 420599 in words is "four hundred twenty thousand, five hundred ninety-nine".