2523003 has 16 divisors (see below), whose sum is σ = 3866880. Its totient is φ = 1433376.

The previous prime is 2522999. The next prime is 2523011. The reversal of 2523003 is 3003252.

It is not a de Polignac number, because 2523003 - 2² = 2522999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2523013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6468 + ... + 6846.

It is an arithmetic number, because the mean of its divisors is an integer number (241680).

2^2523003 is an apocalyptic number.

2523003 is a deficient number, since it is larger than the sum of its proper divisors (1343877).

2523003 is a wasteful number, since it uses less digits than its factorization.

2523003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 2523003 is about 1588.3963611139. The cubic root of 2523003 is about 136.1358755933.

Adding to 2523003 its reverse (3003252), we get a palindrome (5526255).

Subtracting 2523003 from its reverse (3003252), we obtain a square (480249 = 693²).

It can be divided in two parts, 252300 and 3, that multiplied together give a square (756900 = 870²).

The spelling of 2523003 in words is "two million, five hundred twenty-three thousand, three".