51745003 has 2 divisors, whose sum is σ = 51745004. Its totient is φ = 51745002.

The previous prime is 51744997. The next prime is 51745021. The reversal of 51745003 is 30054715.

51745003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51745003 is a prime.

It is not a weakly prime, because it can be changed into another prime (51745033) 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, 25872501 + 25872502.

It is an arithmetic number, because the mean of its divisors is an integer number (25872502).

Almost surely, 2^51745003 is an apocalyptic number.

51745003 is a deficient number, since it is larger than the sum of its proper divisors (1).

51745003 is an equidigital number, since it uses as much as digits as its factorization.

51745003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 51745003 is about 7193.3999610754. The cubic root of 51745003 is about 372.6400008264.

Adding to 51745003 its reverse (30054715), we get a palindrome (81799718).

The spelling of 51745003 in words is "fifty-one million, seven hundred forty-five thousand, three".