82124313 has 4 divisors (see below), whose sum is σ = 109499088. Its totient is φ = 54749540.

The previous prime is 82124309. The next prime is 82124333. The reversal of 82124313 is 31342128.

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 82124313 - 2² = 82124309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82124303) by changing a digit.

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, 13687383 + ... + 13687388.

It is an arithmetic number, because the mean of its divisors is an integer number (27374772).

Almost surely, 2^82124313 is an apocalyptic number.

It is an amenable number.

82124313 is a deficient number, since it is larger than the sum of its proper divisors (27374775).

82124313 is a wasteful number, since it uses less digits than its factorization.

82124313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27374774.

The product of its digits is 1152, while the sum is 24.

The square root of 82124313 is about 9062.2465757670. The cubic root of 82124313 is about 434.6675806241.

The spelling of 82124313 in words is "eighty-two million, one hundred twenty-four thousand, three hundred thirteen".