85648313 has 4 divisors (see below), whose sum is σ = 85748880. Its totient is φ = 85547748.

The previous prime is 85648309. The next prime is 85648357. The reversal of 85648313 is 31384658.

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 85648313 - 2² = 85648309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85648373) 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, 48995 + ... + 50712.

It is an arithmetic number, because the mean of its divisors is an integer number (21437220).

Almost surely, 2^85648313 is an apocalyptic number.

It is an amenable number.

85648313 is a deficient number, since it is larger than the sum of its proper divisors (100567).

85648313 is an equidigital number, since it uses as much as digits as its factorization.

85648313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100566.

The product of its digits is 69120, while the sum is 38.

The square root of 85648313 is about 9254.6373780932. The cubic root of 85648313 is about 440.7979888671.

The spelling of 85648313 in words is "eighty-five million, six hundred forty-eight thousand, three hundred thirteen".