2868503 has 4 divisors (see below), whose sum is σ = 3129288. Its totient is φ = 2607720.

The previous prime is 2868497. The next prime is 2868511. The reversal of 2868503 is 3058682.

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 2868503 - 2¹⁶ = 2802967 is a prime.

It is a super-2 number, since 2×2868503² = 16456618922018, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2868503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2867503) 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, 130376 + ... + 130397.

It is an arithmetic number, because the mean of its divisors is an integer number (782322).

2^2868503 is an apocalyptic number.

2868503 is a deficient number, since it is larger than the sum of its proper divisors (260785).

2868503 is a wasteful number, since it uses less digits than its factorization.

2868503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260784.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2868503 is about 1693.6655514003. The cubic root of 2868503 is about 142.0861574608.

The spelling of 2868503 in words is "two million, eight hundred sixty-eight thousand, five hundred three".