563146231 has 4 divisors (see below), whose sum is σ = 563526432. Its totient is φ = 562766032.

The previous prime is 563146229. The next prime is 563146261. The reversal of 563146231 is 132641365.

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 563146231 - 2¹ = 563146229 is a prime.

It is a super-3 number, since 3×563146231³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 563146193 and 563146202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563146201) 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, 187870 + ... + 190843.

It is an arithmetic number, because the mean of its divisors is an integer number (140881608).

Almost surely, 2^563146231 is an apocalyptic number.

563146231 is a deficient number, since it is larger than the sum of its proper divisors (380201).

563146231 is a wasteful number, since it uses less digits than its factorization.

563146231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380200.

The product of its digits is 12960, while the sum is 31.

The square root of 563146231 is about 23730.7022862788. The cubic root of 563146231 is about 825.7978109087.

Adding to 563146231 its reverse (132641365), we get a palindrome (695787596).

The spelling of 563146231 in words is "five hundred sixty-three million, one hundred forty-six thousand, two hundred thirty-one".