420063 has 16 divisors (see below), whose sum is σ = 650496. Its totient is φ = 236160.

The previous prime is 420047. The next prime is 420073. The reversal of 420063 is 360024.

It is not a de Polignac number, because 420063 - 2⁴ = 420047 is a prime.

420063 is a modest number, since divided by 63 gives 42 as remainder.

420063 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420063.

It is not an unprimeable number, because it can be changed into a prime (420073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1623 + ... + 1863.

It is an arithmetic number, because the mean of its divisors is an integer number (40656).

2⁴²⁰⁰⁶³ is an apocalyptic number.

420063 is a deficient number, since it is larger than the sum of its proper divisors (230433).

420063 is a wasteful number, since it uses less digits than its factorization.

420063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 420063 is about 648.1226735735. The cubic root of 420063 is about 74.8924681212.

Adding to 420063 its reverse (360024), we get a palindrome (780087).

The spelling of 420063 in words is "four hundred twenty thousand, sixty-three".