420465583 has 4 divisors (see below), whose sum is σ = 420523488. Its totient is φ = 420407680.

The previous prime is 420465581. The next prime is 420465623. The reversal of 420465583 is 385564024.

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 420465583 - 2¹ = 420465581 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 (420465581) 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, 16183 + ... + 33208.

It is an arithmetic number, because the mean of its divisors is an integer number (105130872).

Almost surely, 2^420465583 is an apocalyptic number.

420465583 is a deficient number, since it is larger than the sum of its proper divisors (57905).

420465583 is an equidigital number, since it uses as much as digits as its factorization.

420465583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57904.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 420465583 is about 20505.2574477864. The cubic root of 420465583 is about 749.1638580946.

The spelling of 420465583 in words is "four hundred twenty million, four hundred sixty-five thousand, five hundred eighty-three".