51052020241 has 2 divisors, whose sum is σ = 51052020242. Its totient is φ = 51052020240.

The previous prime is 51052020211. The next prime is 51052020281. The reversal of 51052020241 is 14202025015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48947137600 + 2104882641 = 221240^2 + 45879^2 .

It is a cyclic number.

It is not a de Polignac number, because 51052020241 - 2¹³ = 51052012049 is a prime.

It is not a weakly prime, because it can be changed into another prime (51052020211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25526010120 + 25526010121.

It is an arithmetic number, because the mean of its divisors is an integer number (25526010121).

Almost surely, 2^51052020241 is an apocalyptic number.

It is an amenable number.

51052020241 is a deficient number, since it is larger than the sum of its proper divisors (1).

51052020241 is an equidigital number, since it uses as much as digits as its factorization.

51052020241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 51052020241 its reverse (14202025015), we get a palindrome (65254045256).

The spelling of 51052020241 in words is "fifty-one billion, fifty-two million, twenty thousand, two hundred forty-one".