82317653 has 4 divisors (see below), whose sum is σ = 89801088. Its totient is φ = 74834220.

The previous prime is 82317643. The next prime is 82317659. The reversal of 82317653 is 35671328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82317653 - 2¹² = 82313557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82317659) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3741701 + ... + 3741722.

It is an arithmetic number, because the mean of its divisors is an integer number (22450272).

Almost surely, 2^82317653 is an apocalyptic number.

It is an amenable number.

82317653 is a deficient number, since it is larger than the sum of its proper divisors (7483435).

82317653 is a wasteful number, since it uses less digits than its factorization.

82317653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7483434.

The product of its digits is 30240, while the sum is 35.

The square root of 82317653 is about 9072.9076375768. The cubic root of 82317653 is about 435.0084166249.

The spelling of 82317653 in words is "eighty-two million, three hundred seventeen thousand, six hundred fifty-three".