1560050561 has 4 divisors (see below), whose sum is σ = 1560216000. Its totient is φ = 1559885124.

The previous prime is 1560050489. The next prime is 1560050567. The reversal of 1560050561 is 1650500651.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1650500651 = 157 ⋅10512743.

It is a cyclic number.

It is not a de Polignac number, because 1560050561 - 2³⁰ = 486308737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1560050567) 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, 67661 + ... + 87738.

It is an arithmetic number, because the mean of its divisors is an integer number (390054000).

Almost surely, 2^1560050561 is an apocalyptic number.

It is an amenable number.

1560050561 is a deficient number, since it is larger than the sum of its proper divisors (165439).

1560050561 is a wasteful number, since it uses less digits than its factorization.

1560050561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165438.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1560050561 is about 39497.4753750161. The cubic root of 1560050561 is about 1159.7905292097.

The spelling of 1560050561 in words is "one billion, five hundred sixty million, fifty thousand, five hundred sixty-one".