82615345 has 16 divisors (see below), whose sum is σ = 103320000. Its totient is φ = 63338688.

The previous prime is 82615321. The next prime is 82615361. The reversal of 82615345 is 54351628.

It is a cyclic number.

It is not a de Polignac number, because 82615345 - 2¹⁹ = 82091057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82615345.

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 15 ways as a sum of consecutive naturals, for example, 18106 + ... + 22204.

It is an arithmetic number, because the mean of its divisors is an integer number (6457500).

Almost surely, 2^82615345 is an apocalyptic number.

It is an amenable number.

82615345 is a deficient number, since it is larger than the sum of its proper divisors (20704655).

82615345 is a wasteful number, since it uses less digits than its factorization.

82615345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272.

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

The square root of 82615345 is about 9089.2983777627. The cubic root of 82615345 is about 435.5321711635.

The spelling of 82615345 in words is "eighty-two million, six hundred fifteen thousand, three hundred forty-five".