51254503 has 2 divisors, whose sum is σ = 51254504. Its totient is φ = 51254502.

The previous prime is 51254479. The next prime is 51254521. The reversal of 51254503 is 30545215.

51254503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51254503 - 2²⁵ = 17700071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51254003) 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, 25627251 + 25627252.

It is an arithmetic number, because the mean of its divisors is an integer number (25627252).

Almost surely, 2^51254503 is an apocalyptic number.

51254503 is a deficient number, since it is larger than the sum of its proper divisors (1).

51254503 is an equidigital number, since it uses as much as digits as its factorization.

51254503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 51254503 is about 7159.2250278923. The cubic root of 51254503 is about 371.4588206486.

Adding to 51254503 its reverse (30545215), we get a palindrome (81799718).

The spelling of 51254503 in words is "fifty-one million, two hundred fifty-four thousand, five hundred three".