563842541 has 4 divisors (see below), whose sum is σ = 568832412. Its totient is φ = 558852672.

The previous prime is 563842529. The next prime is 563842547. The reversal of 563842541 is 145248365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145248365 = 5 ⋅29049673.

It can be written as a sum of positive squares in 2 ways, for example, as 282576100 + 281266441 = 16810^2 + 16771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563842541 is a prime.

It is a super-2 number, since 2×563842541² = 635836822082673362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 563842495 and 563842504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563842547) 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, 2494766 + ... + 2494991.

It is an arithmetic number, because the mean of its divisors is an integer number (142208103).

Almost surely, 2^563842541 is an apocalyptic number.

It is an amenable number.

563842541 is a deficient number, since it is larger than the sum of its proper divisors (4989871).

563842541 is a wasteful number, since it uses less digits than its factorization.

563842541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989870.

The product of its digits is 115200, while the sum is 38.

The square root of 563842541 is about 23745.3688326798. The cubic root of 563842541 is about 826.1380271267.

The spelling of 563842541 in words is "five hundred sixty-three million, eight hundred forty-two thousand, five hundred forty-one".