420583 has 4 divisors (see below), whose sum is σ = 430408. Its totient is φ = 410760.

The previous prime is 420571. The next prime is 420593. The reversal of 420583 is 385024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420583 - 2⁵ = 420551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4848 + ... + 4933.

It is an arithmetic number, because the mean of its divisors is an integer number (107602).

2⁴²⁰⁵⁸³ is an apocalyptic number.

420583 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

420583 is a deficient number, since it is larger than the sum of its proper divisors (9825).

420583 is an equidigital number, since it uses as much as digits as its factorization.

420583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9824.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 420583 is about 648.5237081248. The cubic root of 420583 is about 74.9233587453.

The spelling of 420583 in words is "four hundred twenty thousand, five hundred eighty-three".