85118501 has 8 divisors (see below), whose sum is σ = 93902424. Its totient is φ = 76654080.

The previous prime is 85118497. The next prime is 85118521. The reversal of 85118501 is 10581158.

It can be written as a sum of positive squares in 4 ways, for example, as 16394401 + 68724100 = 4049^2 + 8290^2 .

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 85118501 - 2² = 85118497 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 (85118521) 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, 79316 + ... + 80381.

It is an arithmetic number, because the mean of its divisors is an integer number (11737803).

Almost surely, 2^85118501 is an apocalyptic number.

It is an amenable number.

85118501 is a deficient number, since it is larger than the sum of its proper divisors (8783923).

85118501 is a wasteful number, since it uses less digits than its factorization.

85118501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159751.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 85118501 is about 9225.9688380137. The cubic root of 85118501 is about 439.8871973229.

Adding to 85118501 its reverse (10581158), we get a palindrome (95699659).

The spelling of 85118501 in words is "eighty-five million, one hundred eighteen thousand, five hundred one".