82318506 has 16 divisors (see below), whose sum is σ = 164827200. Its totient is φ = 27407808.

The previous prime is 82318499. The next prime is 82318513. The reversal of 82318506 is 60581328.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82318499) and next prime (82318513).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1951 + ... + 12978.

It is an arithmetic number, because the mean of its divisors is an integer number (10301700).

Almost surely, 2^82318506 is an apocalyptic number.

82318506 is an abundant number, since it is smaller than the sum of its proper divisors (82508694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82318506 is a wasteful number, since it uses less digits than its factorization.

82318506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15853.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 82318506 is about 9072.9546455386. The cubic root of 82318506 is about 435.0099191819.

The spelling of 82318506 in words is "eighty-two million, three hundred eighteen thousand, five hundred six".