2513503 has 2 divisors, whose sum is σ = 2513504. Its totient is φ = 2513502.

The previous prime is 2513477. The next prime is 2513507. The reversal of 2513503 is 3053152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2513503 - 2¹³ = 2505311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2513507) 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 as a sum of consecutive naturals, namely, 1256751 + 1256752.

It is an arithmetic number, because the mean of its divisors is an integer number (1256752).

2^2513503 is an apocalyptic number.

2513503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513503 is an equidigital number, since it uses as much as digits as its factorization.

2513503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 2513503 is about 1585.4031033147. The cubic root of 2513503 is about 135.9647940878.

Adding to 2513503 its reverse (3053152), we get a palindrome (5566655).

The spelling of 2513503 in words is "two million, five hundred thirteen thousand, five hundred three".