401342371 has 2 divisors, whose sum is σ = 401342372. Its totient is φ = 401342370.

The previous prime is 401342369. The next prime is 401342413. The reversal of 401342371 is 173243104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401342371 - 2¹ = 401342369 is a prime.

It is a super-2 number, since 2×401342371² = 322151397519803282, which contains 22 as substring.

Together with 401342369, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (401349371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200671185 + 200671186.

It is an arithmetic number, because the mean of its divisors is an integer number (200671186).

Almost surely, 2^401342371 is an apocalyptic number.

401342371 is a deficient number, since it is larger than the sum of its proper divisors (1).

401342371 is an equidigital number, since it uses as much as digits as its factorization.

401342371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 401342371 is about 20033.5311665218. The cubic root of 401342371 is about 737.6296022737.

Adding to 401342371 its reverse (173243104), we get a palindrome (574585475).

The spelling of 401342371 in words is "four hundred one million, three hundred forty-two thousand, three hundred seventy-one".