85529503 has 4 divisors (see below), whose sum is σ = 86931688. Its totient is φ = 84127320.

The previous prime is 85529489. The next prime is 85529531. The reversal of 85529503 is 30592558.

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

It is a cyclic number.

It is not a de Polignac number, because 85529503 - 2⁵ = 85529471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85529593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701001 + ... + 701122.

It is an arithmetic number, because the mean of its divisors is an integer number (21732922).

Almost surely, 2^85529503 is an apocalyptic number.

85529503 is a deficient number, since it is larger than the sum of its proper divisors (1402185).

85529503 is a wasteful number, since it uses less digits than its factorization.

85529503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402184.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 85529503 is about 9248.2162063827. The cubic root of 85529503 is about 440.5940718563.

The spelling of 85529503 in words is "eighty-five million, five hundred twenty-nine thousand, five hundred three".