85246281 has 12 divisors (see below), whose sum is σ = 123651840. Its totient is φ = 56591640.

The previous prime is 85246267. The next prime is 85246309. The reversal of 85246281 is 18264258.

85246281 is a `hidden beast` number, since 8 + 5 + 24 + 628 + 1 = 666.

It is not a de Polignac number, because 85246281 - 2¹³ = 85238089 is a prime.

It is a super-2 number, since 2×85246281² = 14533856848661922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85246201) 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, 17665 + ... + 21966.

It is an arithmetic number, because the mean of its divisors is an integer number (10304320).

Almost surely, 2^85246281 is an apocalyptic number.

It is an amenable number.

85246281 is a deficient number, since it is larger than the sum of its proper divisors (38405559).

85246281 is a wasteful number, since it uses less digits than its factorization.

85246281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39876 (or 39873 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 85246281 is about 9232.8912589719. The cubic root of 85246281 is about 440.1072070034.

The spelling of 85246281 in words is "eighty-five million, two hundred forty-six thousand, two hundred eighty-one".