82612315 has 4 divisors (see below), whose sum is σ = 99134784. Its totient is φ = 66089848.

The previous prime is 82612291. The next prime is 82612339. The reversal of 82612315 is 51321628.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (82612291) and next prime (82612339).

It is a cyclic number.

It is not a de Polignac number, because 82612315 - 2¹⁵ = 82579547 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 8261227 + ... + 8261236.

It is an arithmetic number, because the mean of its divisors is an integer number (24783696).

Almost surely, 2^82612315 is an apocalyptic number.

82612315 is a deficient number, since it is larger than the sum of its proper divisors (16522469).

82612315 is a wasteful number, since it uses less digits than its factorization.

82612315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16522468.

The product of its digits is 2880, while the sum is 28.

The square root of 82612315 is about 9089.1316967024. The cubic root of 82612315 is about 435.5268465732.

The spelling of 82612315 in words is "eighty-two million, six hundred twelve thousand, three hundred fifteen".