612443 has 4 divisors (see below), whose sum is σ = 659568. Its totient is φ = 565320.

The previous prime is 612439. The next prime is 612481. The reversal of 612443 is 344216.

It is a happy number.

612443 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.

It is a cyclic number.

It is not a de Polignac number, because 612443 - 2² = 612439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612043) 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, 23543 + ... + 23568.

It is an arithmetic number, because the mean of its divisors is an integer number (164892).

2⁶¹²⁴⁴³ is an apocalyptic number.

612443 is a deficient number, since it is larger than the sum of its proper divisors (47125).

612443 is a wasteful number, since it uses less digits than its factorization.

612443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47124.

The product of its digits is 576, while the sum is 20.

The square root of 612443 is about 782.5873753135. The cubic root of 612443 is about 84.9223281234.

Adding to 612443 its reverse (344216), we get a palindrome (956659).

The spelling of 612443 in words is "six hundred twelve thousand, four hundred forty-three".