51746360251 has 2 divisors, whose sum is σ = 51746360252. Its totient is φ = 51746360250.

The previous prime is 51746360243. The next prime is 51746360269. The reversal of 51746360251 is 15206364715.

51746360251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51746360251 - 2³ = 51746360243 is a prime.

It is not a weakly prime, because it can be changed into another prime (51746360291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25873180125 + 25873180126.

It is an arithmetic number, because the mean of its divisors is an integer number (25873180126).

Almost surely, 2^51746360251 is an apocalyptic number.

51746360251 is a deficient number, since it is larger than the sum of its proper divisors (1).

51746360251 is an equidigital number, since it uses as much as digits as its factorization.

51746360251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 51746360251 in words is "fifty-one billion, seven hundred forty-six million, three hundred sixty thousand, two hundred fifty-one".