51103303 has 2 divisors, whose sum is σ = 51103304. Its totient is φ = 51103302.

The previous prime is 51103279. The next prime is 51103313. The reversal of 51103303 is 30330115.

51103303 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 51103303 - 2²⁵ = 17548871 is a prime.

It is a super-2 number, since 2×51103303² = 5223095155019618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51103313) 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, 25551651 + 25551652.

It is an arithmetic number, because the mean of its divisors is an integer number (25551652).

Almost surely, 2^51103303 is an apocalyptic number.

51103303 is a deficient number, since it is larger than the sum of its proper divisors (1).

51103303 is an equidigital number, since it uses as much as digits as its factorization.

51103303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 51103303 is about 7148.6574263983. The cubic root of 51103303 is about 371.0931949358.

Adding to 51103303 its reverse (30330115), we get a palindrome (81433418).

The spelling of 51103303 in words is "fifty-one million, one hundred three thousand, three hundred three".