401301611 has 2 divisors, whose sum is σ = 401301612. Its totient is φ = 401301610.

The previous prime is 401301569. The next prime is 401301613. The reversal of 401301611 is 116103104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401301611 - 2⁶ = 401301547 is a prime.

It is a super-2 number, since 2×401301611² = 322085965982390642, which contains 22 as substring.

Together with 401301613, 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 401301611.

It is not a weakly prime, because it can be changed into another prime (401301613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200650805 + 200650806.

It is an arithmetic number, because the mean of its divisors is an integer number (200650806).

Almost surely, 2^401301611 is an apocalyptic number.

401301611 is a deficient number, since it is larger than the sum of its proper divisors (1).

401301611 is an equidigital number, since it uses as much as digits as its factorization.

401301611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 401301611 is about 20032.5138462451. The cubic root of 401301611 is about 737.6046304104.

Adding to 401301611 its reverse (116103104), we get a palindrome (517404715).

The spelling of 401301611 in words is "four hundred one million, three hundred one thousand, six hundred eleven".