64085523 has 16 divisors (see below), whose sum is σ = 88678656. Its totient is φ = 41136480.

The previous prime is 64085519. The next prime is 64085531. The reversal of 64085523 is 32558046.

It is not a de Polignac number, because 64085523 - 2² = 64085519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64085513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5661 + ... + 12657.

It is an arithmetic number, because the mean of its divisors is an integer number (5542416).

Almost surely, 2^64085523 is an apocalyptic number.

64085523 is a deficient number, since it is larger than the sum of its proper divisors (24593133).

64085523 is a wasteful number, since it uses less digits than its factorization.

64085523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 64085523 is about 8005.3434030028. The cubic root of 64085523 is about 400.1780936116.

The spelling of 64085523 in words is "sixty-four million, eighty-five thousand, five hundred twenty-three".