2506703 has 4 divisors (see below), whose sum is σ = 2509920. Its totient is φ = 2503488.

The previous prime is 2506697. The next prime is 2506717. The reversal of 2506703 is 3076052.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2506703 - 2⁴ = 2506687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506723) 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, 383 + ... + 2271.

It is an arithmetic number, because the mean of its divisors is an integer number (627480).

2^2506703 is an apocalyptic number.

2506703 is a deficient number, since it is larger than the sum of its proper divisors (3217).

2506703 is a wasteful number, since it uses less digits than its factorization.

2506703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 2506703 is about 1583.2570858834. The cubic root of 2506703 is about 135.8420708579.

The spelling of 2506703 in words is "two million, five hundred six thousand, seven hundred three".