401043133 has 4 divisors (see below), whose sum is σ = 401120860. Its totient is φ = 400965408.

The previous prime is 401043131. The next prime is 401043179. The reversal of 401043133 is 331340104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201725209 + 199317924 = 14203^2 + 14118^2 .

It is a cyclic number.

It is not a de Polignac number, because 401043133 - 2¹ = 401043131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401043133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401043131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30528 + ... + 41641.

It is an arithmetic number, because the mean of its divisors is an integer number (100280215).

Almost surely, 2^401043133 is an apocalyptic number.

It is an amenable number.

401043133 is a deficient number, since it is larger than the sum of its proper divisors (77727).

401043133 is an equidigital number, since it uses as much as digits as its factorization.

401043133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77726.

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

The square root of 401043133 is about 20026.0613451572. The cubic root of 401043133 is about 737.4462329087.

Adding to 401043133 its reverse (331340104), we get a palindrome (732383237).

The spelling of 401043133 in words is "four hundred one million, forty-three thousand, one hundred thirty-three".