563234261 has 8 divisors (see below), whose sum is σ = 579227544. Its totient is φ = 547348480.

The previous prime is 563234251. The next prime is 563234279. The reversal of 563234261 is 162432365.

It can be written as a sum of positive squares in 4 ways, for example, as 126675025 + 436559236 = 11255^2 + 20894^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 563234261 - 2¹⁸ = 562972117 is a prime.

It is a super-2 number, since 2×563234261² = 634465665528432242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563234251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16190 + ... + 37263.

It is an arithmetic number, because the mean of its divisors is an integer number (72403443).

Almost surely, 2^563234261 is an apocalyptic number.

It is an amenable number.

563234261 is a deficient number, since it is larger than the sum of its proper divisors (15993283).

563234261 is a wasteful number, since it uses less digits than its factorization.

563234261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53751.

The product of its digits is 25920, while the sum is 32.

The square root of 563234261 is about 23732.5569840251. The cubic root of 563234261 is about 825.8408377400.

It can be divided in two parts, 5632 and 34261, that added together give a palindrome (39893).

The spelling of 563234261 in words is "five hundred sixty-three million, two hundred thirty-four thousand, two hundred sixty-one".