420313001 has 4 divisors (see below), whose sum is σ = 420536004. Its totient is φ = 420090000.

The previous prime is 420312983. The next prime is 420313073. The reversal of 420313001 is 100313024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32262400 + 388050601 = 5680^2 + 19699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420313001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420313601) 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, 108650 + ... + 112451.

It is an arithmetic number, because the mean of its divisors is an integer number (105134001).

Almost surely, 2^420313001 is an apocalyptic number.

It is an amenable number.

420313001 is a deficient number, since it is larger than the sum of its proper divisors (223003).

420313001 is a wasteful number, since it uses less digits than its factorization.

420313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223002.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 420313001 is about 20501.5365521709. The cubic root of 420313001 is about 749.0732262218.

Adding to 420313001 its reverse (100313024), we get a palindrome (520626025).

The spelling of 420313001 in words is "four hundred twenty million, three hundred thirteen thousand, one".