401401333 has 2 divisors, whose sum is σ = 401401334. Its totient is φ = 401401332.

The previous prime is 401401327. The next prime is 401401373. The reversal of 401401333 is 333104104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227346084 + 174055249 = 15078^2 + 13193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401401333 is a prime.

It is a super-2 number, since 2×401401333² = 322246060268353778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401401333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401401373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200700666 + 200700667.

It is an arithmetic number, because the mean of its divisors is an integer number (200700667).

Almost surely, 2^401401333 is an apocalyptic number.

It is an amenable number.

401401333 is a deficient number, since it is larger than the sum of its proper divisors (1).

401401333 is an equidigital number, since it uses as much as digits as its factorization.

401401333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 401401333 is about 20035.0026952831. The cubic root of 401401333 is about 737.6657227119.

Adding to 401401333 its reverse (333104104), we get a palindrome (734505437).

The spelling of 401401333 in words is "four hundred one million, four hundred one thousand, three hundred thirty-three".