85040113 has 4 divisors (see below), whose sum is σ = 85062628. Its totient is φ = 85017600.

The previous prime is 85040101. The next prime is 85040119. The reversal of 85040113 is 31104058.

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 66781584 + 18258529 = 8172^2 + 4273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85040113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85040119) 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, 4056 + ... + 13657.

It is an arithmetic number, because the mean of its divisors is an integer number (21265657).

Almost surely, 2^85040113 is an apocalyptic number.

It is an amenable number.

85040113 is a deficient number, since it is larger than the sum of its proper divisors (22515).

85040113 is a wasteful number, since it uses less digits than its factorization.

85040113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22514.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 85040113 is about 9221.7196335608. The cubic root of 85040113 is about 439.7521210558.

The spelling of 85040113 in words is "eighty-five million, forty thousand, one hundred thirteen".