563652261 has 24 divisors (see below), whose sum is σ = 854231040. Its totient is φ = 357674400.

The previous prime is 563652241. The next prime is 563652293. The reversal of 563652261 is 162256365.

It is a happy number.

It is not a de Polignac number, because 563652261 - 2¹⁵ = 563619493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563652241) 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 23 ways as a sum of consecutive naturals, for example, 460 + ... + 33578.

It is an arithmetic number, because the mean of its divisors is an integer number (35592960).

Almost surely, 2^563652261 is an apocalyptic number.

It is an amenable number.

563652261 is a deficient number, since it is larger than the sum of its proper divisors (290578779).

563652261 is a wasteful number, since it uses less digits than its factorization.

563652261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33217 (or 33214 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 563652261 is about 23741.3618185647. The cubic root of 563652261 is about 826.0450843760.

The spelling of 563652261 in words is "five hundred sixty-three million, six hundred fifty-two thousand, two hundred sixty-one".