561712763 has 4 divisors (see below), whose sum is σ = 562092000. Its totient is φ = 561333528.

The previous prime is 561712757. The next prime is 561712769. The reversal of 561712763 is 367217165.

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

It is an interprime number because it is at equal distance from previous prime (561712757) and next prime (561712769).

It is a cyclic number.

It is not a de Polignac number, because 561712763 - 2¹⁴ = 561696379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561712769) 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, 187388 + ... + 190361.

It is an arithmetic number, because the mean of its divisors is an integer number (140523000).

Almost surely, 2^561712763 is an apocalyptic number.

561712763 is a deficient number, since it is larger than the sum of its proper divisors (379237).

561712763 is a wasteful number, since it uses less digits than its factorization.

561712763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379236.

The product of its digits is 52920, while the sum is 38.

The square root of 561712763 is about 23700.4802272021. The cubic root of 561712763 is about 825.0965362395.

The spelling of 561712763 in words is "five hundred sixty-one million, seven hundred twelve thousand, seven hundred sixty-three".