51206001233 has 2 divisors, whose sum is σ = 51206001234. Its totient is φ = 51206001232.

The previous prime is 51206001199. The next prime is 51206001239. The reversal of 51206001233 is 33210060215.

51206001233 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 can be written as a sum of positive squares in only one way, i.e., 49476439489 + 1729561744 = 222433^2 + 41588^2 .

It is a cyclic number.

It is not a de Polignac number, because 51206001233 - 2¹² = 51205997137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51206001199 and 51206001208.

It is not a weakly prime, because it can be changed into another prime (51206001239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25603000616 + 25603000617.

It is an arithmetic number, because the mean of its divisors is an integer number (25603000617).

Almost surely, 2^51206001233 is an apocalyptic number.

It is an amenable number.

51206001233 is a deficient number, since it is larger than the sum of its proper divisors (1).

51206001233 is an equidigital number, since it uses as much as digits as its factorization.

51206001233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 51206001233 its reverse (33210060215), we get a palindrome (84416061448).

The spelling of 51206001233 in words is "fifty-one billion, two hundred six million, one thousand, two hundred thirty-three".