82502566 has 8 divisors (see below), whose sum is σ = 124157880. Its totient is φ = 41116608.

The previous prime is 82502471. The next prime is 82502573. The reversal of 82502566 is 66520528.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66571 + ... + 67798.

It is an arithmetic number, because the mean of its divisors is an integer number (15519735).

Almost surely, 2^82502566 is an apocalyptic number.

82502566 is a deficient number, since it is larger than the sum of its proper divisors (41655314).

82502566 is a wasteful number, since it uses less digits than its factorization.

82502566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134678.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 82502566 is about 9083.0923148452. The cubic root of 82502566 is about 435.3338978662. Note that the first 3 decimals are identical.

It can be divided in two parts, 8250 and 2566, that added together give a square (10816 = 104²).

The spelling of 82502566 in words is "eighty-two million, five hundred two thousand, five hundred sixty-six".