85288523 has 8 divisors (see below), whose sum is σ = 86650992. Its totient is φ = 83936736.

The previous prime is 85288519. The next prime is 85288547. The reversal of 85288523 is 32588258.

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

It is a cyclic number.

It is not a de Polignac number, because 85288523 - 2² = 85288519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85288513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14261 + ... + 19337.

It is an arithmetic number, because the mean of its divisors is an integer number (10831374).

Almost surely, 2^85288523 is an apocalyptic number.

85288523 is a deficient number, since it is larger than the sum of its proper divisors (1362469).

85288523 is a wasteful number, since it uses less digits than its factorization.

85288523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341.

The product of its digits is 153600, while the sum is 41.

The square root of 85288523 is about 9235.1785581005. The cubic root of 85288523 is about 440.1798902863.

The spelling of 85288523 in words is "eighty-five million, two hundred eighty-eight thousand, five hundred twenty-three".