85051201 has 4 divisors (see below), whose sum is σ = 89527600. Its totient is φ = 80574804.

The previous prime is 85051193. The next prime is 85051231. The reversal of 85051201 is 10215058.

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 85051201 - 2³ = 85051193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85051231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2238171 + ... + 2238208.

It is an arithmetic number, because the mean of its divisors is an integer number (22381900).

Almost surely, 2^85051201 is an apocalyptic number.

It is an amenable number.

85051201 is a deficient number, since it is larger than the sum of its proper divisors (4476399).

85051201 is a wasteful number, since it uses less digits than its factorization.

85051201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476398.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 85051201 is about 9222.3208033553. The cubic root of 85051201 is about 439.7712326626.

Adding to 85051201 its reverse (10215058), we get a palindrome (95266259).

The spelling of 85051201 in words is "eighty-five million, fifty-one thousand, two hundred one".