641227 has 2 divisors, whose sum is σ = 641228. Its totient is φ = 641226.

The previous prime is 641213. The next prime is 641239. The reversal of 641227 is 722146.

641227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 641227 - 2¹⁵ = 608459 is a prime.

It is a super-2 number, since 2×641227² = 822344131058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641198 and 641207.

It is not a weakly prime, because it can be changed into another prime (641287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320613 + 320614.

It is an arithmetic number, because the mean of its divisors is an integer number (320614).

2⁶⁴¹²²⁷ is an apocalyptic number.

641227 is a deficient number, since it is larger than the sum of its proper divisors (1).

641227 is an equidigital number, since it uses as much as digits as its factorization.

641227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 22.

The square root of 641227 is about 800.7665077911. The cubic root of 641227 is about 86.2324251806.

It can be divided in two parts, 641 and 227, that added together give a palindrome (868).

The spelling of 641227 in words is "six hundred forty-one thousand, two hundred twenty-seven".