82528345 has 8 divisors (see below), whose sum is σ = 102449160. Its totient is φ = 63745920.

The previous prime is 82528337. The next prime is 82528349. The reversal of 82528345 is 54382528.

It can be written as a sum of positive squares in 4 ways, for example, as 23299929 + 59228416 = 4827^2 + 7696^2 .

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

It is not a de Polignac number, because 82528345 - 2³ = 82528337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82528349) 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, 284436 + ... + 284725.

It is an arithmetic number, because the mean of its divisors is an integer number (12806145).

Almost surely, 2^82528345 is an apocalyptic number.

It is an amenable number.

82528345 is a deficient number, since it is larger than the sum of its proper divisors (19920815).

82528345 is a wasteful number, since it uses less digits than its factorization.

82528345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569195.

The product of its digits is 76800, while the sum is 37.

The square root of 82528345 is about 9084.5112691878. The cubic root of 82528345 is about 435.3792350577.

The spelling of 82528345 in words is "eighty-two million, five hundred twenty-eight thousand, three hundred forty-five".