85465247 has 4 divisors (see below), whose sum is σ = 97674576. Its totient is φ = 73255920.

The previous prime is 85465241. The next prime is 85465271. The reversal of 85465247 is 74256458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74256458 = 2 ⋅37128229.

It is a cyclic number.

It is not a de Polignac number, because 85465247 - 2⁴ = 85465231 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 (85465241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6104654 + ... + 6104667.

It is an arithmetic number, because the mean of its divisors is an integer number (24418644).

Almost surely, 2^85465247 is an apocalyptic number.

85465247 is a deficient number, since it is larger than the sum of its proper divisors (12209329).

85465247 is a wasteful number, since it uses less digits than its factorization.

85465247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12209328.

The product of its digits is 268800, while the sum is 41.

The square root of 85465247 is about 9244.7415864371. The cubic root of 85465247 is about 440.4837087482.

The spelling of 85465247 in words is "eighty-five million, four hundred sixty-five thousand, two hundred forty-seven".