401442113 has 2 divisors, whose sum is σ = 401442114. Its totient is φ = 401442112.

The previous prime is 401442101. The next prime is 401442133. The reversal of 401442113 is 311244104.

It is an a-pointer prime, because the next prime (401442133) can be obtained adding 401442113 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239847169 + 161594944 = 15487^2 + 12712^2 .

It is a cyclic number.

It is not a de Polignac number, because 401442113 - 2⁶ = 401442049 is a prime.

It is a super-2 number, since 2×401442113² = 322311540179809538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401442133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200721056 + 200721057.

It is an arithmetic number, because the mean of its divisors is an integer number (200721057).

Almost surely, 2^401442113 is an apocalyptic number.

It is an amenable number.

401442113 is a deficient number, since it is larger than the sum of its proper divisors (1).

401442113 is an equidigital number, since it uses as much as digits as its factorization.

401442113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 401442113 is about 20036.0203882907. The cubic root of 401442113 is about 737.6907026900.

Adding to 401442113 its reverse (311244104), we get a palindrome (712686217).

The spelling of 401442113 in words is "four hundred one million, four hundred forty-two thousand, one hundred thirteen".