5260610261 has 2 divisors, whose sum is σ = 5260610262. Its totient is φ = 5260610260.

The previous prime is 5260610197. The next prime is 5260610269. The reversal of 5260610261 is 1620160625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4192562500 + 1068047761 = 64750^2 + 32681^2 .

It is a cyclic number.

It is not a de Polignac number, because 5260610261 - 2⁶ = 5260610197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5260610269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630305130 + 2630305131.

It is an arithmetic number, because the mean of its divisors is an integer number (2630305131).

Almost surely, 2^5260610261 is an apocalyptic number.

It is an amenable number.

5260610261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5260610261 is an equidigital number, since it uses as much as digits as its factorization.

5260610261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 5260610261 is about 72530.0645318891. The cubic root of 5260610261 is about 1739.1833774244.

Adding to 5260610261 its reverse (1620160625), we get a palindrome (6880770886).

The spelling of 5260610261 in words is "five billion, two hundred sixty million, six hundred ten thousand, two hundred sixty-one".