405233 has 4 divisors (see below), whose sum is σ = 406848. Its totient is φ = 403620.

The previous prime is 405227. The next prime is 405239. The reversal of 405233 is 332504.

405233 is nontrivially palindromic in base 15.

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 an interprime number because it is at equal distance from previous prime (405227) and next prime (405239).

It is a cyclic number.

It is not a de Polignac number, because 405233 - 2⁸ = 404977 is a prime.

It is a super-3 number, since 3×405233³ = 199634533346353011, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (405239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341 + ... + 962.

It is an arithmetic number, because the mean of its divisors is an integer number (101712).

2⁴⁰⁵²³³ is an apocalyptic number.

It is an amenable number.

405233 is a deficient number, since it is larger than the sum of its proper divisors (1615).

405233 is a wasteful number, since it uses less digits than its factorization.

405233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 405233 is about 636.5791388351. The cubic root of 405233 is about 74.0005478411. Note that the first 3 decimals are identical.

Adding to 405233 its reverse (332504), we get a palindrome (737737).

The spelling of 405233 in words is "four hundred five thousand, two hundred thirty-three".