85002503 has 4 divisors (see below), whose sum is σ = 88698288. Its totient is φ = 81306720.

The previous prime is 85002481. The next prime is 85002517. The reversal of 85002503 is 30520058.

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 85002503 - 2¹⁶ = 84936967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 3695761 = 85002503 / (8 + 5 + 0 + 0 + 2 + 5 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85002803) 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, 1847858 + ... + 1847903.

It is an arithmetic number, because the mean of its divisors is an integer number (22174572).

Almost surely, 2^85002503 is an apocalyptic number.

85002503 is a deficient number, since it is larger than the sum of its proper divisors (3695785).

85002503 is a wasteful number, since it uses less digits than its factorization.

85002503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695784.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 85002503 is about 9219.6802005276. The cubic root of 85002503 is about 439.6872829635.

The spelling of 85002503 in words is "eighty-five million, two thousand, five hundred three".