85264521 has 8 divisors (see below), whose sum is σ = 113979840. Its totient is φ = 56696112.

The previous prime is 85264513. The next prime is 85264541. The reversal of 85264521 is 12546258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85264521 - 2³ = 85264513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85264541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35365 + ... + 37698.

It is an arithmetic number, because the mean of its divisors is an integer number (14247480).

Almost surely, 2^85264521 is an apocalyptic number.

It is an amenable number.

85264521 is a deficient number, since it is larger than the sum of its proper divisors (28715319).

85264521 is a wasteful number, since it uses less digits than its factorization.

85264521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73455.

The product of its digits is 19200, while the sum is 33.

The square root of 85264521 is about 9233.8789790640. The cubic root of 85264521 is about 440.1385944253.

The spelling of 85264521 in words is "eighty-five million, two hundred sixty-four thousand, five hundred twenty-one".