82568450 has 12 divisors (see below), whose sum is σ = 153577410. Its totient is φ = 33027360.

The previous prime is 82568449. The next prime is 82568467. The reversal of 82568450 is 5486528.

It can be written as a sum of positive squares in 3 ways, for example, as 80694289 + 1874161 = 8983^2 + 1369^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 825635 + ... + 825734.

Almost surely, 2^82568450 is an apocalyptic number.

82568450 is a deficient number, since it is larger than the sum of its proper divisors (71008960).

82568450 is a wasteful number, since it uses less digits than its factorization.

82568450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651381 (or 1651376 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 82568450 is about 9086.7183295181. The cubic root of 82568450 is about 435.4497484334.

The spelling of 82568450 in words is "eighty-two million, five hundred sixty-eight thousand, four hundred fifty".