85457503 has 4 divisors (see below), whose sum is σ = 85563688. Its totient is φ = 85351320.

The previous prime is 85457447. The next prime is 85457507. The reversal of 85457503 is 30575458.

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 85457503 - 2¹³ = 85449311 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 (85457507) 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, 51876 + ... + 53497.

It is an arithmetic number, because the mean of its divisors is an integer number (21390922).

Almost surely, 2^85457503 is an apocalyptic number.

85457503 is a deficient number, since it is larger than the sum of its proper divisors (106185).

85457503 is a wasteful number, since it uses less digits than its factorization.

85457503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106184.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 85457503 is about 9244.3227442577. The cubic root of 85457503 is about 440.4704042804.

The spelling of 85457503 in words is "eighty-five million, four hundred fifty-seven thousand, five hundred three".