421274211 has 4 divisors (see below), whose sum is σ = 561698952. Its totient is φ = 280849472.

The previous prime is 421274197. The next prime is 421274237. The reversal of 421274211 is 112472124.

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 421274211 - 2¹⁴ = 421257827 is a prime.

It is a super-3 number, since 3×421274211³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (421274261) 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, 70212366 + ... + 70212371.

It is an arithmetic number, because the mean of its divisors is an integer number (140424738).

Almost surely, 2^421274211 is an apocalyptic number.

421274211 is a deficient number, since it is larger than the sum of its proper divisors (140424741).

421274211 is a wasteful number, since it uses less digits than its factorization.

421274211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140424740.

The product of its digits is 896, while the sum is 24.

The square root of 421274211 is about 20524.9655541733. The cubic root of 421274211 is about 749.6438077518.

The spelling of 421274211 in words is "four hundred twenty-one million, two hundred seventy-four thousand, two hundred eleven".