85289503 has 4 divisors (see below), whose sum is σ = 91850248. Its totient is φ = 78728760.

The previous prime is 85289483. The next prime is 85289507. The reversal of 85289503 is 30598258.

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 85289503 - 2¹³ = 85281311 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 (85289507) 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, 3280353 + ... + 3280378.

It is an arithmetic number, because the mean of its divisors is an integer number (22962562).

Almost surely, 2^85289503 is an apocalyptic number.

85289503 is a deficient number, since it is larger than the sum of its proper divisors (6560745).

85289503 is a wasteful number, since it uses less digits than its factorization.

85289503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6560744.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 85289503 is about 9235.2316159369. The cubic root of 85289503 is about 440.1815762288.

The spelling of 85289503 in words is "eighty-five million, two hundred eighty-nine thousand, five hundred three".