420324001 has 4 divisors (see below), whose sum is σ = 420597952. Its totient is φ = 420050052.

The previous prime is 420323993. The next prime is 420324013. The reversal of 420324001 is 100423024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420324001 - 2³ = 420323993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420324101) 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, 134661 + ... + 137746.

It is an arithmetic number, because the mean of its divisors is an integer number (105149488).

Almost surely, 2^420324001 is an apocalyptic number.

It is an amenable number.

420324001 is a deficient number, since it is larger than the sum of its proper divisors (273951).

420324001 is a wasteful number, since it uses less digits than its factorization.

420324001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273950.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 420324001 is about 20501.8048229906. The cubic root of 420324001 is about 749.0797608231.

Adding to 420324001 its reverse (100423024), we get a palindrome (520747025).

The spelling of 420324001 in words is "four hundred twenty million, three hundred twenty-four thousand, one".