82445533 has 4 divisors (see below), whose sum is σ = 83216160. Its totient is φ = 81674908.

The previous prime is 82445527. The next prime is 82445537. The reversal of 82445533 is 33554428.

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 82445533 - 2¹⁷ = 82314461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82445537) 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, 385153 + ... + 385366.

It is an arithmetic number, because the mean of its divisors is an integer number (20804040).

Almost surely, 2^82445533 is an apocalyptic number.

It is an amenable number.

82445533 is a deficient number, since it is larger than the sum of its proper divisors (770627).

82445533 is a wasteful number, since it uses less digits than its factorization.

82445533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770626.

The product of its digits is 57600, while the sum is 34.

The square root of 82445533 is about 9079.9522575837. The cubic root of 82445533 is about 435.2335611018.

The spelling of 82445533 in words is "eighty-two million, four hundred forty-five thousand, five hundred thirty-three".