612233 has 4 divisors (see below), whose sum is σ = 620928. Its totient is φ = 603540.

The previous prime is 612229. The next prime is 612259. The reversal of 612233 is 332216.

612233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 612233 - 2² = 612229 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612223) 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, 4241 + ... + 4382.

It is an arithmetic number, because the mean of its divisors is an integer number (155232).

2⁶¹²²³³ is an apocalyptic number.

It is an amenable number.

612233 is a deficient number, since it is larger than the sum of its proper divisors (8695).

612233 is an equidigital number, since it uses as much as digits as its factorization.

612233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8694.

The product of its digits is 216, while the sum is 17.

The square root of 612233 is about 782.4531934883. The cubic root of 612233 is about 84.9126207015.

Subtracting from 612233 its sum of digits (17), we obtain a palindrome (612216).

Adding to 612233 its reverse (332216), we get a palindrome (944449).

The spelling of 612233 in words is "six hundred twelve thousand, two hundred thirty-three".