404211271 has 2 divisors, whose sum is σ = 404211272. Its totient is φ = 404211270.

The previous prime is 404211259. The next prime is 404211277. The reversal of 404211271 is 172112404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404211271 - 2¹⁷ = 404080199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404211277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202105635 + 202105636.

It is an arithmetic number, because the mean of its divisors is an integer number (202105636).

Almost surely, 2^404211271 is an apocalyptic number.

404211271 is a deficient number, since it is larger than the sum of its proper divisors (1).

404211271 is an equidigital number, since it uses as much as digits as its factorization.

404211271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 404211271 is about 20105.0061178802. The cubic root of 404211271 is about 739.3830205512.

Adding to 404211271 its reverse (172112404), we get a palindrome (576323675).

The spelling of 404211271 in words is "four hundred four million, two hundred eleven thousand, two hundred seventy-one".