420343001 has 8 divisors (see below), whose sum is σ = 457345224. Its totient is φ = 384007680.

The previous prime is 420342971. The next prime is 420343019. The reversal of 420343001 is 100343024.

It can be written as a sum of positive squares in 4 ways, for example, as 10240000 + 410103001 = 3200^2 + 20251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420343001 - 2¹⁴ = 420326617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420343201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165410 + ... + 167931.

It is an arithmetic number, because the mean of its divisors is an integer number (57168153).

Almost surely, 2^420343001 is an apocalyptic number.

It is an amenable number.

420343001 is a deficient number, since it is larger than the sum of its proper divisors (37002223).

420343001 is a wasteful number, since it uses less digits than its factorization.

420343001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333451.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 420343001 is about 20502.2681915929. The cubic root of 420343001 is about 749.0910475931.

Adding to 420343001 its reverse (100343024), we get a palindrome (520686025).

The spelling of 420343001 in words is "four hundred twenty million, three hundred forty-three thousand, one".