5260122565 has 4 divisors (see below), whose sum is σ = 6312147084. Its totient is φ = 4208098048.

The previous prime is 5260122503. The next prime is 5260122607. The reversal of 5260122565 is 5652210625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 625100004 + 4635022561 = 25002^2 + 68081^2 .

It is a cyclic number.

It is not a de Polignac number, because 5260122565 - 2⁹ = 5260122053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5260122565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526012252 + ... + 526012261.

It is an arithmetic number, because the mean of its divisors is an integer number (1578036771).

Almost surely, 2^5260122565 is an apocalyptic number.

It is an amenable number.

5260122565 is a deficient number, since it is larger than the sum of its proper divisors (1052024519).

5260122565 is a wasteful number, since it uses less digits than its factorization.

5260122565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052024518.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 5260122565 is about 72526.7024274508. The cubic root of 5260122565 is about 1739.1296308724.

The spelling of 5260122565 in words is "five billion, two hundred sixty million, one hundred twenty-two thousand, five hundred sixty-five".