85471275 has 24 divisors (see below), whose sum is σ = 141647680. Its totient is φ = 45476640.

The previous prime is 85471249. The next prime is 85471283. The reversal of 85471275 is 57217458.

85471275 is a nontrivial binomial coefficient, being equal to C(13075, 2).

It is not a de Polignac number, because 85471275 - 2¹⁰ = 85470251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38136 + ... + 40314.

Almost surely, 2^85471275 is an apocalyptic number.

85471275 is the 13074-th triangular number.

85471275 is a deficient number, since it is larger than the sum of its proper divisors (56176405).

85471275 is a wasteful number, since it uses less digits than its factorization.

85471275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2710 counting only the distinct ones).

The product of its digits is 78400, while the sum is 39.

The square root of 85471275 is about 9245.0676038632. The cubic root of 85471275 is about 440.4940645106.

The spelling of 85471275 in words is "eighty-five million, four hundred seventy-one thousand, two hundred seventy-five".