51273460201 has 2 divisors, whose sum is σ = 51273460202. Its totient is φ = 51273460200.

The previous prime is 51273460163. The next prime is 51273460229. The reversal of 51273460201 is 10206437215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32652128601 + 18621331600 = 180699^2 + 136460^2 .

It is a cyclic number.

It is not a de Polignac number, because 51273460201 - 2⁹ = 51273459689 is a prime.

It is not a weakly prime, because it can be changed into another prime (51273460501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25636730100 + 25636730101.

It is an arithmetic number, because the mean of its divisors is an integer number (25636730101).

Almost surely, 2^51273460201 is an apocalyptic number.

It is an amenable number.

51273460201 is a deficient number, since it is larger than the sum of its proper divisors (1).

51273460201 is an equidigital number, since it uses as much as digits as its factorization.

51273460201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 51273460201 its reverse (10206437215), we get a palindrome (61479897416).

The spelling of 51273460201 in words is "fifty-one billion, two hundred seventy-three million, four hundred sixty thousand, two hundred one".