82528403 has 8 divisors (see below), whose sum is σ = 85536000. Its totient is φ = 79531648.

The previous prime is 82528399. The next prime is 82528427. The reversal of 82528403 is 30482528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82528403 - 2² = 82528399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82528403.

It is not an unprimeable number, because it can be changed into a prime (82528493) 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 7 ways as a sum of consecutive naturals, for example, 14798 + ... + 19596.

It is an arithmetic number, because the mean of its divisors is an integer number (10692000).

Almost surely, 2^82528403 is an apocalyptic number.

82528403 is a deficient number, since it is larger than the sum of its proper divisors (3007597).

82528403 is a wasteful number, since it uses less digits than its factorization.

82528403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 82528403 is about 9084.5144614338. The cubic root of 82528403 is about 435.3793370509.

The spelling of 82528403 in words is "eighty-two million, five hundred twenty-eight thousand, four hundred three".