82812433 has 4 divisors (see below), whose sum is σ = 90340848. Its totient is φ = 75284020.

The previous prime is 82812427. The next prime is 82812437. The reversal of 82812433 is 33421828.

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 82812433 - 2⁹ = 82811921 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82812395 and 82812404.

It is not an unprimeable number, because it can be changed into a prime (82812437) 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, 3764191 + ... + 3764212.

It is an arithmetic number, because the mean of its divisors is an integer number (22585212).

Almost surely, 2^82812433 is an apocalyptic number.

It is an amenable number.

82812433 is a deficient number, since it is larger than the sum of its proper divisors (7528415).

82812433 is a wasteful number, since it uses less digits than its factorization.

82812433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528414.

The product of its digits is 9216, while the sum is 31.

The square root of 82812433 is about 9100.1336803368. The cubic root of 82812433 is about 435.8782327662.

The spelling of 82812433 in words is "eighty-two million, eight hundred twelve thousand, four hundred thirty-three".