401743271 has 2 divisors, whose sum is σ = 401743272. Its totient is φ = 401743270.

The previous prime is 401743261. The next prime is 401743273. The reversal of 401743271 is 172347104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401743271 - 2¹⁸ = 401481127 is a prime.

It is a super-2 number, since 2×401743271² = 322795311587558882, which contains 22 as substring.

Together with 401743273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401743273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200871635 + 200871636.

It is an arithmetic number, because the mean of its divisors is an integer number (200871636).

Almost surely, 2^401743271 is an apocalyptic number.

401743271 is a deficient number, since it is larger than the sum of its proper divisors (1).

401743271 is an equidigital number, since it uses as much as digits as its factorization.

401743271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 401743271 is about 20043.5343939137. The cubic root of 401743271 is about 737.8751260627.

The spelling of 401743271 in words is "four hundred one million, seven hundred forty-three thousand, two hundred seventy-one".