401141771 has 2 divisors, whose sum is σ = 401141772. Its totient is φ = 401141770.

The previous prime is 401141761. The next prime is 401141773. The reversal of 401141771 is 177141104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401141771 is a prime.

Together with 401141773, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401141771.

It is not a weakly prime, because it can be changed into another prime (401141773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200570885 + 200570886.

It is an arithmetic number, because the mean of its divisors is an integer number (200570886).

Almost surely, 2^401141771 is an apocalyptic number.

401141771 is a deficient number, since it is larger than the sum of its proper divisors (1).

401141771 is an equidigital number, since it uses as much as digits as its factorization.

401141771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 401141771 is about 20028.5239346288. The cubic root of 401141771 is about 737.5066871365.

Adding to 401141771 its reverse (177141104), we get a palindrome (578282875).

The spelling of 401141771 in words is "four hundred one million, one hundred forty-one thousand, seven hundred seventy-one".