2551133503 has 2 divisors, whose sum is σ = 2551133504. Its totient is φ = 2551133502.

The previous prime is 2551133479. The next prime is 2551133537. The reversal of 2551133503 is 3053311552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2551133503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551133593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275566751 + 1275566752.

It is an arithmetic number, because the mean of its divisors is an integer number (1275566752).

Almost surely, 2^2551133503 is an apocalyptic number.

2551133503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551133503 is an equidigital number, since it uses as much as digits as its factorization.

2551133503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 2551133503 is about 50508.7467969658. The cubic root of 2551133503 is about 1366.3996079473.

The spelling of 2551133503 in words is "two billion, five hundred fifty-one million, one hundred thirty-three thousand, five hundred three".