2499563 has 4 divisors (see below), whose sum is σ = 2726808. Its totient is φ = 2272320.

The previous prime is 2499551. The next prime is 2499577. The reversal of 2499563 is 3659942.

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 2499563 - 2¹⁰ = 2498539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2499163) 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, 113606 + ... + 113627.

It is an arithmetic number, because the mean of its divisors is an integer number (681702).

2^2499563 is an apocalyptic number.

2499563 is a deficient number, since it is larger than the sum of its proper divisors (227245).

2499563 is a wasteful number, since it uses less digits than its factorization.

2499563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227244.

The product of its digits is 58320, while the sum is 38.

The square root of 2499563 is about 1581.0006325109. Note that the first 3 decimals coincide. The cubic root of 2499563 is about 135.7129723656.

The spelling of 2499563 in words is "two million, four hundred ninety-nine thousand, five hundred sixty-three".