420911241 has 4 divisors (see below), whose sum is σ = 561214992. Its totient is φ = 280607492.

The previous prime is 420911233. The next prime is 420911261. The reversal of 420911241 is 142119024.

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 420911241 - 2³ = 420911233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420911261) 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, 70151871 + ... + 70151876.

It is an arithmetic number, because the mean of its divisors is an integer number (140303748).

Almost surely, 2^420911241 is an apocalyptic number.

It is an amenable number.

420911241 is a deficient number, since it is larger than the sum of its proper divisors (140303751).

420911241 is a wasteful number, since it uses less digits than its factorization.

420911241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140303750.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 420911241 is about 20516.1214901842. The cubic root of 420911241 is about 749.4284481041.

The spelling of 420911241 in words is "four hundred twenty million, nine hundred eleven thousand, two hundred forty-one".