85217461 has 8 divisors (see below), whose sum is σ = 101625984. Its totient is φ = 69867600.

The previous prime is 85217459. The next prime is 85217497. The reversal of 85217461 is 16471258.

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 85217461 - 2¹ = 85217459 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 (85217441) 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 7 ways as a sum of consecutive naturals, for example, 264490 + ... + 264811.

It is an arithmetic number, because the mean of its divisors is an integer number (12703248).

Almost surely, 2^85217461 is an apocalyptic number.

It is an amenable number.

85217461 is a deficient number, since it is larger than the sum of its proper divisors (16408523).

85217461 is a wasteful number, since it uses less digits than its factorization.

85217461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529331.

The product of its digits is 13440, while the sum is 34.

The square root of 85217461 is about 9231.3304024935. The cubic root of 85217461 is about 440.0576043728.

The spelling of 85217461 in words is "eighty-five million, two hundred seventeen thousand, four hundred sixty-one".