401334481 has 2 divisors, whose sum is σ = 401334482. Its totient is φ = 401334480.

The previous prime is 401334467. The next prime is 401334491. The reversal of 401334481 is 184433104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269452225 + 131882256 = 16415^2 + 11484^2 .

It is a cyclic number.

It is not a de Polignac number, because 401334481 - 2¹¹ = 401332433 is a prime.

It is a super-2 number, since 2×401334481² = 322138731279078722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401334491) 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, 200667240 + 200667241.

It is an arithmetic number, because the mean of its divisors is an integer number (200667241).

Almost surely, 2^401334481 is an apocalyptic number.

It is an amenable number.

401334481 is a deficient number, since it is larger than the sum of its proper divisors (1).

401334481 is an equidigital number, since it uses as much as digits as its factorization.

401334481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 401334481 is about 20033.3342457016. The cubic root of 401334481 is about 737.6247685489.

Adding to 401334481 its reverse (184433104), we get a palindrome (585767585).

The spelling of 401334481 in words is "four hundred one million, three hundred thirty-four thousand, four hundred eighty-one".