2503005 has 8 divisors (see below), whose sum is σ = 4004832. Its totient is φ = 1334928.

The previous prime is 2503001. The next prime is 2503027. The reversal of 2503005 is 5003052.

2503005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2503005 - 2² = 2503001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 166867 = 2503005 / (2 + 5 + 0 + 3 + 0 + 0 + 5).

It is a Curzon number.

2503005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83419 + ... + 83448.

It is an arithmetic number, because the mean of its divisors is an integer number (500604).

2^2503005 is an apocalyptic number.

It is an amenable number.

2503005 is a deficient number, since it is larger than the sum of its proper divisors (1501827).

2503005 is a wasteful number, since it uses less digits than its factorization.

2503005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166875.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 2503005 is about 1582.0888091381. The cubic root of 2503005 is about 135.7752378894.

Adding to 2503005 its reverse (5003052), we get a palindrome (7506057).

The spelling of 2503005 in words is "two million, five hundred three thousand, five".