83255317 has 8 divisors (see below), whose sum is σ = 87096600. Its totient is φ = 79478784.

The previous prime is 83255287. The next prime is 83255323. The reversal of 83255317 is 71355238.

It can be written as a sum of positive squares in 4 ways, for example, as 1062961 + 82192356 = 1031^2 + 9066^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 83255317 - 2¹⁵ = 83222549 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 (83255387) 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, 13548 + ... + 18709.

It is an arithmetic number, because the mean of its divisors is an integer number (10887075).

Almost surely, 2^83255317 is an apocalyptic number.

It is an amenable number.

83255317 is a deficient number, since it is larger than the sum of its proper divisors (3841283).

83255317 is a wasteful number, since it uses less digits than its factorization.

83255317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32375.

The product of its digits is 25200, while the sum is 34.

The square root of 83255317 is about 9124.4351606004. The cubic root of 83255317 is about 436.6538827198.

The spelling of 83255317 in words is "eighty-three million, two hundred fifty-five thousand, three hundred seventeen".