2582503 has 12 divisors (see below), whose sum is σ = 3245200. Its totient is φ = 2011680.

The previous prime is 2582501. The next prime is 2582543. The reversal of 2582503 is 3052852.

It is not a de Polignac number, because 2582503 - 2¹ = 2582501 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

2582503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2582501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678 + ... + 2371.

2^2582503 is an apocalyptic number.

2582503 is a deficient number, since it is larger than the sum of its proper divisors (662697).

2582503 is a wasteful number, since it uses less digits than its factorization.

2582503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078 (or 3067 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2582503 is about 1607.0168014056. The cubic root of 2582503 is about 137.1977360250.

It can be divided in two parts, 25 and 82503, that added together give a palindrome (82528).

The spelling of 2582503 in words is "two million, five hundred eighty-two thousand, five hundred three".