51225132223 has 2 divisors, whose sum is σ = 51225132224. Its totient is φ = 51225132222.

The previous prime is 51225132181. The next prime is 51225132247. The reversal of 51225132223 is 32223152215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51225132223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51225132191 and 51225132200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51225132253) 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, 25612566111 + 25612566112.

It is an arithmetic number, because the mean of its divisors is an integer number (25612566112).

Almost surely, 2^51225132223 is an apocalyptic number.

51225132223 is a deficient number, since it is larger than the sum of its proper divisors (1).

51225132223 is an equidigital number, since it uses as much as digits as its factorization.

51225132223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

Adding to 51225132223 its reverse (32223152215), we get a palindrome (83448284438).

The spelling of 51225132223 in words is "fifty-one billion, two hundred twenty-five million, one hundred thirty-two thousand, two hundred twenty-three".