421362271 has 4 divisors (see below), whose sum is σ = 459667944. Its totient is φ = 383056600.

The previous prime is 421362233. The next prime is 421362283. The reversal of 421362271 is 172263124.

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

It is a cyclic number.

It is not a de Polignac number, because 421362271 - 2⁷ = 421362143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421362211) 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, 19152820 + ... + 19152841.

It is an arithmetic number, because the mean of its divisors is an integer number (114916986).

Almost surely, 2^421362271 is an apocalyptic number.

421362271 is a deficient number, since it is larger than the sum of its proper divisors (38305673).

421362271 is a wasteful number, since it uses less digits than its factorization.

421362271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38305672.

The product of its digits is 4032, while the sum is 28.

The square root of 421362271 is about 20527.1106344756. The cubic root of 421362271 is about 749.6960374182.

The spelling of 421362271 in words is "four hundred twenty-one million, three hundred sixty-two thousand, two hundred seventy-one".