85048613 has 4 divisors (see below), whose sum is σ = 91590828. Its totient is φ = 78506400.

The previous prime is 85048609. The next prime is 85048657. The reversal of 85048613 is 31684058.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49252324 + 35796289 = 7018^2 + 5983^2 .

It is a cyclic number.

It is not a de Polignac number, because 85048613 - 2² = 85048609 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 (85048813) 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, 3271088 + ... + 3271113.

It is an arithmetic number, because the mean of its divisors is an integer number (22897707).

Almost surely, 2^85048613 is an apocalyptic number.

It is an amenable number.

85048613 is a deficient number, since it is larger than the sum of its proper divisors (6542215).

85048613 is a wasteful number, since it uses less digits than its factorization.

85048613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542214.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 85048613 is about 9222.1804905348. The cubic root of 85048613 is about 439.7667720574.

The spelling of 85048613 in words is "eighty-five million, forty-eight thousand, six hundred thirteen".