420534241 has 8 divisors (see below), whose sum is σ = 430791840. Its totient is φ = 410381088.

The previous prime is 420534229. The next prime is 420534263. The reversal of 420534241 is 142435024.

It is a happy number.

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 420534241 - 2⁷ = 420534113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420534221) 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, 17931 + ... + 34096.

It is an arithmetic number, because the mean of its divisors is an integer number (53848980).

Almost surely, 2^420534241 is an apocalyptic number.

It is an amenable number.

420534241 is a deficient number, since it is larger than the sum of its proper divisors (10257599).

420534241 is a wasteful number, since it uses less digits than its factorization.

420534241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52223.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 420534241 is about 20506.9315354589. The cubic root of 420534241 is about 749.2046329680.

Adding to 420534241 its reverse (142435024), we get a palindrome (562969265).

The spelling of 420534241 in words is "four hundred twenty million, five hundred thirty-four thousand, two hundred forty-one".