51232362563 has 2 divisors, whose sum is σ = 51232362564. Its totient is φ = 51232362562.

The previous prime is 51232362521. The next prime is 51232362581. The reversal of 51232362563 is 36526323215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51232362563 - 2³⁰ = 50158620739 is a prime.

It is not a weakly prime, because it can be changed into another prime (51232362583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25616181281 + 25616181282.

It is an arithmetic number, because the mean of its divisors is an integer number (25616181282).

Almost surely, 2^51232362563 is an apocalyptic number.

51232362563 is a deficient number, since it is larger than the sum of its proper divisors (1).

51232362563 is an equidigital number, since it uses as much as digits as its factorization.

51232362563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 38.

Adding to 51232362563 its reverse (36526323215), we get a palindrome (87758685778).

The spelling of 51232362563 in words is "fifty-one billion, two hundred thirty-two million, three hundred sixty-two thousand, five hundred sixty-three".