527473561561 has 4 divisors (see below), whose sum is σ = 527476806324. Its totient is φ = 527470316800.

The previous prime is 527473561477. The next prime is 527473561591. The reversal of 527473561561 is 165165374725.

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 70320432400 + 457153129161 = 265180^2 + 676131^2 .

It is a cyclic number.

It is not a de Polignac number, because 527473561561 - 2¹⁷ = 527473430489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 527473561499 and 527473561508.

It is not an unprimeable number, because it can be changed into a prime (527473561591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364920 + ... + 1708201.

It is an arithmetic number, because the mean of its divisors is an integer number (131869201581).

Almost surely, 2^527473561561 is an apocalyptic number.

It is an amenable number.

527473561561 is a deficient number, since it is larger than the sum of its proper divisors (3244763).

527473561561 is a wasteful number, since it uses less digits than its factorization.

527473561561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244762.

The product of its digits is 5292000, while the sum is 52.

The spelling of 527473561561 in words is "five hundred twenty-seven billion, four hundred seventy-three million, five hundred sixty-one thousand, five hundred sixty-one".