561103435 has 4 divisors (see below), whose sum is σ = 673324128. Its totient is φ = 448882744.

The previous prime is 561103429. The next prime is 561103447. The reversal of 561103435 is 534301165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 534301165 = 5 ⋅106860233.

It is a cyclic number.

It is not a de Polignac number, because 561103435 - 2³ = 561103427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56110339 + ... + 56110348.

It is an arithmetic number, because the mean of its divisors is an integer number (168331032).

Almost surely, 2^561103435 is an apocalyptic number.

561103435 is a deficient number, since it is larger than the sum of its proper divisors (112220693).

561103435 is a wasteful number, since it uses less digits than its factorization.

561103435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112220692.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 561103435 is about 23687.6219785778. The cubic root of 561103435 is about 824.7980822041.

The spelling of 561103435 in words is "five hundred sixty-one million, one hundred three thousand, four hundred thirty-five".