608105561 has 8 divisors (see below), whose sum is σ = 696489024. Its totient is φ = 520099920.

The previous prime is 608105543. The next prime is 608105639. The reversal of 608105561 is 165501806.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 608105561 - 2⁶ = 608105497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (608105161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90995 + ... + 97448.

It is an arithmetic number, because the mean of its divisors is an integer number (87061128).

Almost surely, 2^608105561 is an apocalyptic number.

It is an amenable number.

608105561 is a deficient number, since it is larger than the sum of its proper divisors (88383463).

608105561 is a wasteful number, since it uses less digits than its factorization.

608105561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188911.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 608105561 is about 24659.7964509036. The cubic root of 608105561 is about 847.2137422784.

The spelling of 608105561 in words is "six hundred eight million, one hundred five thousand, five hundred sixty-one".