561325763 has 8 divisors (see below), whose sum is σ = 571914000. Its totient is φ = 550828768.

The previous prime is 561325733. The next prime is 561325777. The reversal of 561325763 is 367523165.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561325763 is a prime.

It is a super-2 number, since 2×561325763² = 630173224415064338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561325733) 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, 10328 + ... + 35061.

It is an arithmetic number, because the mean of its divisors is an integer number (71489250).

Almost surely, 2^561325763 is an apocalyptic number.

561325763 is a deficient number, since it is larger than the sum of its proper divisors (10588237).

561325763 is a wasteful number, since it uses less digits than its factorization.

561325763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45621.

The product of its digits is 113400, while the sum is 38.

The square root of 561325763 is about 23692.3144289451. The cubic root of 561325763 is about 824.9070053735.

The spelling of 561325763 in words is "five hundred sixty-one million, three hundred twenty-five thousand, seven hundred sixty-three".