2542503 has 8 divisors (see below), whose sum is σ = 3589488. Its totient is φ = 1595264.

The previous prime is 2542483. The next prime is 2542511. The reversal of 2542503 is 3052452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2542503 - 2⁵ = 2542471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2542503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24876 + ... + 24977.

It is an arithmetic number, because the mean of its divisors is an integer number (448686).

2^2542503 is an apocalyptic number.

2542503 is a deficient number, since it is larger than the sum of its proper divisors (1046985).

2542503 is a wasteful number, since it uses less digits than its factorization.

2542503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49873.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2542503 is about 1594.5228126308. The cubic root of 2542503 is about 136.4857020540.

Adding to 2542503 its reverse (3052452), we get a palindrome (5594955).

The spelling of 2542503 in words is "two million, five hundred forty-two thousand, five hundred three".