82547313 has 8 divisors (see below), whose sum is σ = 111928800. Its totient is φ = 54098688.

The previous prime is 82547293. The next prime is 82547317. The reversal of 82547313 is 31374528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82547313 - 2⁵ = 82547281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82547317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233008 + ... + 233361.

It is an arithmetic number, because the mean of its divisors is an integer number (13991100).

Almost surely, 2^82547313 is an apocalyptic number.

It is an amenable number.

82547313 is a deficient number, since it is larger than the sum of its proper divisors (29381487).

82547313 is a wasteful number, since it uses less digits than its factorization.

82547313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466431.

The product of its digits is 20160, while the sum is 33.

The square root of 82547313 is about 9085.5551839169. Note that the first 3 decimals coincide. The cubic root of 82547313 is about 435.4125878034.

The spelling of 82547313 in words is "eighty-two million, five hundred forty-seven thousand, three hundred thirteen".