82516651 has 4 divisors (see below), whose sum is σ = 94304752. Its totient is φ = 70728552.

The previous prime is 82516649. The next prime is 82516667. The reversal of 82516651 is 15661528.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82516651 - 2¹ = 82516649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82510651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5894040 + ... + 5894053.

It is an arithmetic number, because the mean of its divisors is an integer number (23576188).

Almost surely, 2^82516651 is an apocalyptic number.

82516651 is a deficient number, since it is larger than the sum of its proper divisors (11788101).

82516651 is a wasteful number, since it uses less digits than its factorization.

82516651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11788100.

The product of its digits is 14400, while the sum is 34.

The square root of 82516651 is about 9083.8676234300. The cubic root of 82516651 is about 435.3586701424.

The spelling of 82516651 in words is "eighty-two million, five hundred sixteen thousand, six hundred fifty-one".