85087265 has 4 divisors (see below), whose sum is σ = 102104724. Its totient is φ = 68069808.

The previous prime is 85087237. The next prime is 85087271. The reversal of 85087265 is 56278058.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65302561 + 19784704 = 8081^2 + 4448^2 .

It is a cyclic number.

It is not a de Polignac number, because 85087265 - 2¹² = 85083169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8508722 + ... + 8508731.

It is an arithmetic number, because the mean of its divisors is an integer number (25526181).

Almost surely, 2^85087265 is an apocalyptic number.

It is an amenable number.

85087265 is a deficient number, since it is larger than the sum of its proper divisors (17017459).

85087265 is a wasteful number, since it uses less digits than its factorization.

85087265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17017458.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 85087265 is about 9224.2758523366. The cubic root of 85087265 is about 439.8333821616.

The spelling of 85087265 in words is "eighty-five million, eighty-seven thousand, two hundred sixty-five".