85254247 has 12 divisors (see below), whose sum is σ = 95300544. Its totient is φ = 76152960.

The previous prime is 85254209. The next prime is 85254259. The reversal of 85254247 is 74245258.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-85254247 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 (85254347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2898 + ... + 13375.

It is an arithmetic number, because the mean of its divisors is an integer number (7941712).

Almost surely, 2^85254247 is an apocalyptic number.

85254247 is a deficient number, since it is larger than the sum of its proper divisors (10046297).

85254247 is a wasteful number, since it uses less digits than its factorization.

85254247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16330 (or 16317 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 85254247 is about 9233.3226413897. The cubic root of 85254247 is about 440.1209154599.

The spelling of 85254247 in words is "eighty-five million, two hundred fifty-four thousand, two hundred forty-seven".