85471265 has 32 divisors (see below), whose sum is σ = 118661760. Its totient is φ = 58508800.

The previous prime is 85471249. The next prime is 85471283. The reversal of 85471265 is 56217458.

It is not a de Polignac number, because 85471265 - 2⁴ = 85471249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64742 + ... + 66048.

It is an arithmetic number, because the mean of its divisors is an integer number (3708180).

Almost surely, 2^85471265 is an apocalyptic number.

It is an amenable number.

85471265 is a deficient number, since it is larger than the sum of its proper divisors (33190495).

85471265 is a wasteful number, since it uses less digits than its factorization.

85471265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393.

The product of its digits is 67200, while the sum is 38.

The square root of 85471265 is about 9245.0670630342. The cubic root of 85471265 is about 440.4940473315.

It can be divided in two parts, 85471 and 265, that multiplied together give a triangular number (22649815 = T₆₇₃₀).

The spelling of 85471265 in words is "eighty-five million, four hundred seventy-one thousand, two hundred sixty-five".