401441237 has 2 divisors, whose sum is σ = 401441238. Its totient is φ = 401441236.

The previous prime is 401441219. The next prime is 401441263. The reversal of 401441237 is 732144104.

It is an a-pointer prime, because the next prime (401441263) can be obtained adding 401441237 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240684196 + 160757041 = 15514^2 + 12679^2 .

It is a cyclic number.

It is not a de Polignac number, because 401441237 - 2⁸ = 401440981 is a prime.

It is a super-2 number, since 2×401441237² = 322310133528180338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401441207) 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, 200720618 + 200720619.

It is an arithmetic number, because the mean of its divisors is an integer number (200720619).

Almost surely, 2^401441237 is an apocalyptic number.

It is an amenable number.

401441237 is a deficient number, since it is larger than the sum of its proper divisors (1).

401441237 is an equidigital number, since it uses as much as digits as its factorization.

401441237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 401441237 is about 20035.9985276502. The cubic root of 401441237 is about 737.6901661099.

The spelling of 401441237 in words is "four hundred one million, four hundred forty-one thousand, two hundred thirty-seven".