2520503 has 2 divisors, whose sum is σ = 2520504. Its totient is φ = 2520502.

The previous prime is 2520491. The next prime is 2520577. The reversal of 2520503 is 3050252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520503 - 2⁶ = 2520439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2522503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260251 + 1260252.

It is an arithmetic number, because the mean of its divisors is an integer number (1260252).

2^2520503 is an apocalyptic number.

2520503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520503 is an equidigital number, since it uses as much as digits as its factorization.

2520503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 2520503 is about 1587.6092088420. The cubic root of 2520503 is about 136.0908958393.

Adding to 2520503 its reverse (3050252), we get a palindrome (5570755).

The spelling of 2520503 in words is "two million, five hundred twenty thousand, five hundred three".