5321560561 has 4 divisors (see below), whose sum is σ = 5321766400. Its totient is φ = 5321354724.

The previous prime is 5321560529. The next prime is 5321560567. The reversal of 5321560561 is 1650651235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5321560561 - 2⁵ = 5321560529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5321560567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57441 + ... + 118078.

It is an arithmetic number, because the mean of its divisors is an integer number (1330441600).

Almost surely, 2^5321560561 is an apocalyptic number.

It is an amenable number.

5321560561 is a deficient number, since it is larger than the sum of its proper divisors (205839).

5321560561 is a wasteful number, since it uses less digits than its factorization.

5321560561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205838.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 5321560561 is about 72949.0271422450. The cubic root of 5321560561 is about 1745.8744244088.

The spelling of 5321560561 in words is "five billion, three hundred twenty-one million, five hundred sixty thousand, five hundred sixty-one".