85250615 has 8 divisors (see below), whose sum is σ = 102413808. Its totient is φ = 68125120.

The previous prime is 85250573. The next prime is 85250647. The reversal of 85250615 is 51605258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85250615 - 2⁶ = 85250551 is a prime.

It is a Duffinian number.

It is a congruent 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, 4181 + ... + 13710.

It is an arithmetic number, because the mean of its divisors is an integer number (12801726).

Almost surely, 2^85250615 is an apocalyptic number.

85250615 is a deficient number, since it is larger than the sum of its proper divisors (17163193).

85250615 is a wasteful number, since it uses less digits than its factorization.

85250615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18849.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 85250615 is about 9233.1259603668. The cubic root of 85250615 is about 440.1146653632.

The spelling of 85250615 in words is "eighty-five million, two hundred fifty thousand, six hundred fifteen".