85518201 has 4 divisors (see below), whose sum is σ = 114024272. Its totient is φ = 57012132.

The previous prime is 85518193. The next prime is 85518217. The reversal of 85518201 is 10281558.

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 not a de Polignac number, because 85518201 - 2³ = 85518193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85518281) 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, 14253031 + ... + 14253036.

It is an arithmetic number, because the mean of its divisors is an integer number (28506068).

Almost surely, 2^85518201 is an apocalyptic number.

It is an amenable number.

85518201 is a deficient number, since it is larger than the sum of its proper divisors (28506071).

85518201 is a wasteful number, since it uses less digits than its factorization.

85518201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28506070.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 85518201 is about 9247.6051494427. The cubic root of 85518201 is about 440.5746640754.

Adding to 85518201 its reverse (10281558), we get a palindrome (95799759).

The spelling of 85518201 in words is "eighty-five million, five hundred eighteen thousand, two hundred one".