51225233263 has 2 divisors, whose sum is σ = 51225233264. Its totient is φ = 51225233262.

The previous prime is 51225233261. The next prime is 51225233299. The reversal of 51225233263 is 36233252215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51225233263 - 2¹ = 51225233261 is a prime.

Together with 51225233261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51225233261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25612616631 + 25612616632.

It is an arithmetic number, because the mean of its divisors is an integer number (25612616632).

Almost surely, 2^51225233263 is an apocalyptic number.

51225233263 is a deficient number, since it is larger than the sum of its proper divisors (1).

51225233263 is an equidigital number, since it uses as much as digits as its factorization.

51225233263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 34.

Adding to 51225233263 its reverse (36233252215), we get a palindrome (87458485478).

The spelling of 51225233263 in words is "fifty-one billion, two hundred twenty-five million, two hundred thirty-three thousand, two hundred sixty-three".