51025206241 has 2 divisors, whose sum is σ = 51025206242. Its totient is φ = 51025206240.

The previous prime is 51025206209. The next prime is 51025206263. The reversal of 51025206241 is 14260252015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38001603600 + 13023602641 = 194940^2 + 114121^2 .

It is a cyclic number.

It is not a de Polignac number, because 51025206241 - 2⁵ = 51025206209 is a prime.

It is not a weakly prime, because it can be changed into another prime (51025206041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25512603120 + 25512603121.

It is an arithmetic number, because the mean of its divisors is an integer number (25512603121).

Almost surely, 2^51025206241 is an apocalyptic number.

It is an amenable number.

51025206241 is a deficient number, since it is larger than the sum of its proper divisors (1).

51025206241 is an equidigital number, since it uses as much as digits as its factorization.

51025206241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 51025206241 its reverse (14260252015), we get a palindrome (65285458256).

The spelling of 51025206241 in words is "fifty-one billion, twenty-five million, two hundred six thousand, two hundred forty-one".