401371 has 2 divisors, whose sum is σ = 401372. Its totient is φ = 401370.

The previous prime is 401347. The next prime is 401381. The reversal of 401371 is 173104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401371 - 2⁷ = 401243 is a prime.

It is a super-2 number, since 2×401371² = 322197359282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200685 + 200686.

It is an arithmetic number, because the mean of its divisors is an integer number (200686).

2⁴⁰¹³⁷¹ is an apocalyptic number.

401371 is a deficient number, since it is larger than the sum of its proper divisors (1).

401371 is an equidigital number, since it uses as much as digits as its factorization.

401371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 401371 is about 633.5384755482. The cubic root of 401371 is about 73.7647140995.

Adding to 401371 its reverse (173104), we get a palindrome (574475).

The spelling of 401371 in words is "four hundred one thousand, three hundred seventy-one", and thus it is an iban number.