563815249 has 4 divisors (see below), whose sum is σ = 565594164. Its totient is φ = 562036336.

The previous prime is 563815247. The next prime is 563815277. The reversal of 563815249 is 942518365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13068225 + 550747024 = 3615^2 + 23468^2 .

It is a cyclic number.

It is not a de Polignac number, because 563815249 - 2¹ = 563815247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563815247) 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 3 ways as a sum of consecutive naturals, for example, 888982 + ... + 889615.

It is an arithmetic number, because the mean of its divisors is an integer number (141398541).

Almost surely, 2^563815249 is an apocalyptic number.

It is an amenable number.

563815249 is a deficient number, since it is larger than the sum of its proper divisors (1778915).

563815249 is a wasteful number, since it uses less digits than its factorization.

563815249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778914.

The product of its digits is 259200, while the sum is 43.

The square root of 563815249 is about 23744.7941452437. The cubic root of 563815249 is about 826.1246975644.

The spelling of 563815249 in words is "five hundred sixty-three million, eight hundred fifteen thousand, two hundred forty-nine".