51304275403 has 2 divisors, whose sum is σ = 51304275404. Its totient is φ = 51304275402.

The previous prime is 51304275391. The next prime is 51304275457. The reversal of 51304275403 is 30457240315.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51304275403 is a prime.

It is not a weakly prime, because it can be changed into another prime (52304275403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25652137701 + 25652137702.

It is an arithmetic number, because the mean of its divisors is an integer number (25652137702).

Almost surely, 2^51304275403 is an apocalyptic number.

51304275403 is a deficient number, since it is larger than the sum of its proper divisors (1).

51304275403 is an equidigital number, since it uses as much as digits as its factorization.

51304275403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 51304275403 in words is "fifty-one billion, three hundred four million, two hundred seventy-five thousand, four hundred three".