5260344121 has 2 divisors, whose sum is σ = 5260344122. Its totient is φ = 5260344120.

The previous prime is 5260344113. The next prime is 5260344137. The reversal of 5260344121 is 1214430625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5071006521 + 189337600 = 71211^2 + 13760^2 .

It is a cyclic number.

It is not a de Polignac number, because 5260344121 - 2³ = 5260344113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5260344121.

It is not a weakly prime, because it can be changed into another prime (5260344521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630172060 + 2630172061.

It is an arithmetic number, because the mean of its divisors is an integer number (2630172061).

Almost surely, 2^5260344121 is an apocalyptic number.

It is an amenable number.

5260344121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5260344121 is an equidigital number, since it uses as much as digits as its factorization.

5260344121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 5260344121 is about 72528.2298212220. The cubic root of 5260344121 is about 1739.1540478697.

Adding to 5260344121 its reverse (1214430625), we get a palindrome (6474774746).

The spelling of 5260344121 in words is "five billion, two hundred sixty million, three hundred forty-four thousand, one hundred twenty-one".