960581563 has 4 divisors (see below), whose sum is σ = 961004968. Its totient is φ = 960158160.

The previous prime is 960581543. The next prime is 960581569. The reversal of 960581563 is 365185069.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365185069 = 239 ⋅1527971.

It is a cyclic number.

It is not a de Polignac number, because 960581563 - 2¹³ = 960573371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (960581569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208281 + ... + 212842.

It is an arithmetic number, because the mean of its divisors is an integer number (240251242).

Almost surely, 2^960581563 is an apocalyptic number.

960581563 is a deficient number, since it is larger than the sum of its proper divisors (423405).

960581563 is a wasteful number, since it uses less digits than its factorization.

960581563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423404.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 960581563 is about 30993.2502813113. The cubic root of 960581563 is about 986.6839919778.

The spelling of 960581563 in words is "nine hundred sixty million, five hundred eighty-one thousand, five hundred sixty-three".