2506043 has 8 divisors (see below), whose sum is σ = 2703120. Its totient is φ = 2315520.

The previous prime is 2506033. The next prime is 2506069. The reversal of 2506043 is 3406052.

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 2506043 - 2¹⁴ = 2489659 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2506003) 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, 830 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (337890).

2^2506043 is an apocalyptic number.

2506043 is a deficient number, since it is larger than the sum of its proper divisors (197077).

2506043 is a wasteful number, since it uses less digits than its factorization.

2506043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2506043 is about 1583.0486410720. The cubic root of 2506043 is about 135.8301476748.

Subtracting 2506043 from its reverse (3406052), we obtain a palindrome (900009).

The spelling of 2506043 in words is "two million, five hundred six thousand, forty-three".