561913235 has 16 divisors (see below), whose sum is σ = 726679296. Its totient is φ = 414657408.

The previous prime is 561913229. The next prime is 561913243. The reversal of 561913235 is 532319165.

It is a cyclic number.

It is not a de Polignac number, because 561913235 - 2¹⁴ = 561896851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561913195 and 561913204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141497 + ... + 145413.

It is an arithmetic number, because the mean of its divisors is an integer number (45417456).

Almost surely, 2^561913235 is an apocalyptic number.

561913235 is a deficient number, since it is larger than the sum of its proper divisors (164766061).

561913235 is a wasteful number, since it uses less digits than its factorization.

561913235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142.

The product of its digits is 24300, while the sum is 35.

The square root of 561913235 is about 23704.7091313098. The cubic root of 561913235 is about 825.1946819406.

The spelling of 561913235 in words is "five hundred sixty-one million, nine hundred thirteen thousand, two hundred thirty-five".