82001506 has 12 divisors (see below), whose sum is σ = 130321602. Its totient is φ = 38564096.

The previous prime is 82001497. The next prime is 82001519. The reversal of 82001506 is 60510028.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 47485881 + 34515625 = 6891^2 + 5875^2 .

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52026 + ... + 53578.

Almost surely, 2^82001506 is an apocalyptic number.

82001506 is a deficient number, since it is larger than the sum of its proper divisors (48320096).

82001506 is an equidigital number, since it uses as much as digits as its factorization.

82001506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 82001506 is about 9055.4682926948. The cubic root of 82001506 is about 434.4508082310.

The spelling of 82001506 in words is "eighty-two million, one thousand, five hundred six".