561760103 has 4 divisors (see below), whose sum is σ = 565206648. Its totient is φ = 558313560.

The previous prime is 561760097. The next prime is 561760117. The reversal of 561760103 is 301067165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 561760103 - 2²⁶ = 494651239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561760123) 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, 1723028 + ... + 1723353.

It is an arithmetic number, because the mean of its divisors is an integer number (141301662).

Almost surely, 2^561760103 is an apocalyptic number.

561760103 is a deficient number, since it is larger than the sum of its proper divisors (3446545).

561760103 is a wasteful number, since it uses less digits than its factorization.

561760103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446544.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 561760103 is about 23701.4789201012. The cubic root of 561760103 is about 825.1197147365.

The spelling of 561760103 in words is "five hundred sixty-one million, seven hundred sixty thousand, one hundred three".