2553503 has 2 divisors, whose sum is σ = 2553504. Its totient is φ = 2553502.

The previous prime is 2553497. The next prime is 2553511. The reversal of 2553503 is 3053552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2553503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2553203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276751 + 1276752.

It is an arithmetic number, because the mean of its divisors is an integer number (1276752).

2^2553503 is an apocalyptic number.

2553503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553503 is an equidigital number, since it uses as much as digits as its factorization.

2553503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 2553503 is about 1597.9683976850. The cubic root of 2553503 is about 136.6822515111.

The spelling of 2553503 in words is "two million, five hundred fifty-three thousand, five hundred three".