85084251 has 8 divisors (see below), whose sum is σ = 129652224. Its totient is φ = 48619560.

The previous prime is 85084247. The next prime is 85084253. The reversal of 85084251 is 15248058.

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

It is not a de Polignac number, because 85084251 - 2² = 85084247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85084253) 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, 2025795 + ... + 2025836.

It is an arithmetic number, because the mean of its divisors is an integer number (16206528).

Almost surely, 2^85084251 is an apocalyptic number.

85084251 is a deficient number, since it is larger than the sum of its proper divisors (44567973).

85084251 is a wasteful number, since it uses less digits than its factorization.

85084251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051641.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 85084251 is about 9224.1124776317. The cubic root of 85084251 is about 439.8281887739.

The spelling of 85084251 in words is "eighty-five million, eighty-four thousand, two hundred fifty-one".