401433133 has 4 divisors (see below), whose sum is σ = 401533948. Its totient is φ = 401332320.

The previous prime is 401433103. The next prime is 401433163. The reversal of 401433133 is 331334104.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (401433103) and next prime (401433163).

It can be written as a sum of positive squares in 2 ways, for example, as 151856329 + 249576804 = 12323^2 + 15798^2 .

It is a cyclic number.

It is not a de Polignac number, because 401433133 - 2⁵ = 401433101 is a prime.

It is a super-2 number, since 2×401433133² = 322297120540391378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401433103) 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 in 3 ways as a sum of consecutive naturals, for example, 44178 + ... + 52483.

It is an arithmetic number, because the mean of its divisors is an integer number (100383487).

Almost surely, 2^401433133 is an apocalyptic number.

It is an amenable number.

401433133 is a deficient number, since it is larger than the sum of its proper divisors (100815).

401433133 is an equidigital number, since it uses as much as digits as its factorization.

401433133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100814.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 401433133 is about 20035.7962906394. The cubic root of 401433133 is about 737.6852020946.

Adding to 401433133 its reverse (331334104), we get a palindrome (732767237).

The spelling of 401433133 in words is "four hundred one million, four hundred thirty-three thousand, one hundred thirty-three".