82003633 has 4 divisors (see below), whose sum is σ = 82031220. Its totient is φ = 81976048.

The previous prime is 82003627. The next prime is 82003637. The reversal of 82003633 is 33630028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54420129 + 27583504 = 7377^2 + 5252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82003633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82003598 and 82003607.

It is not an unprimeable number, because it can be changed into a prime (82003637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8710 + ... + 15487.

It is an arithmetic number, because the mean of its divisors is an integer number (20507805).

Almost surely, 2^82003633 is an apocalyptic number.

It is an amenable number.

82003633 is a deficient number, since it is larger than the sum of its proper divisors (27587).

82003633 is a wasteful number, since it uses less digits than its factorization.

82003633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27586.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 82003633 is about 9055.5857347827. The cubic root of 82003633 is about 434.4545645395.

The spelling of 82003633 in words is "eighty-two million, three thousand, six hundred thirty-three".