401333 has 4 divisors (see below), whose sum is σ = 409920. Its totient is φ = 392748.

The previous prime is 401329. The next prime is 401341. The reversal of 401333 is 333104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401333 - 2² = 401329 is a prime.

It is a super-2 number, since 2×401333² = 322136353778, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401393) 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, 4223 + ... + 4316.

It is an arithmetic number, because the mean of its divisors is an integer number (102480).

2⁴⁰¹³³³ is an apocalyptic number.

It is an amenable number.

401333 is a deficient number, since it is larger than the sum of its proper divisors (8587).

401333 is an equidigital number, since it uses as much as digits as its factorization.

401333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8586.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 401333 is about 633.5084845525. The cubic root of 401333 is about 73.7623861223.

Adding to 401333 its reverse (333104), we get a palindrome (734437).

The spelling of 401333 in words is "four hundred one thousand, three hundred thirty-three".