85610503 has 4 divisors (see below), whose sum is σ = 93393288. Its totient is φ = 77827720.

The previous prime is 85610479. The next prime is 85610513. The reversal of 85610503 is 30501658.

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 85610503 - 2⁵ = 85610471 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85610513) 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, 3891376 + ... + 3891397.

It is an arithmetic number, because the mean of its divisors is an integer number (23348322).

Almost surely, 2^85610503 is an apocalyptic number.

85610503 is a deficient number, since it is larger than the sum of its proper divisors (7782785).

85610503 is a wasteful number, since it uses less digits than its factorization.

85610503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7782784.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 85610503 is about 9252.5943929257. The cubic root of 85610503 is about 440.7331149484.

The spelling of 85610503 in words is "eighty-five million, six hundred ten thousand, five hundred three".