5260561 has 2 divisors, whose sum is σ = 5260562. Its totient is φ = 5260560.

The previous prime is 5260559. The next prime is 5260573. The reversal of 5260561 is 1650625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5202961 + 57600 = 2281^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 5260561 - 2¹ = 5260559 is a prime.

Together with 5260559, it forms a pair of twin primes.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (5260501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630280 + 2630281.

It is an arithmetic number, because the mean of its divisors is an integer number (2630281).

Almost surely, 2^5260561 is an apocalyptic number.

It is an amenable number.

5260561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5260561 is an equidigital number, since it uses as much as digits as its factorization.

5260561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5260561 is about 2293.5912887871. The cubic root of 5260561 is about 173.9177948765.

The spelling of 5260561 in words is "five million, two hundred sixty thousand, five hundred sixty-one".