85249506 has 16 divisors (see below), whose sum is σ = 170920800. Its totient is φ = 28346208.

The previous prime is 85249481. The next prime is 85249519. The reversal of 85249506 is 60594258.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14916 + ... + 19823.

It is an arithmetic number, because the mean of its divisors is an integer number (10682550).

Almost surely, 2^85249506 is an apocalyptic number.

85249506 is an abundant number, since it is smaller than the sum of its proper divisors (85671294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85249506 is a wasteful number, since it uses less digits than its factorization.

85249506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35153.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 85249506 is about 9233.0659046711. The cubic root of 85249506 is about 440.1127569145.

The spelling of 85249506 in words is "eighty-five million, two hundred forty-nine thousand, five hundred six".