563636397 has 8 divisors (see below), whose sum is σ = 765694944. Its totient is φ = 368667728.

The previous prime is 563636351. The next prime is 563636443. The reversal of 563636397 is 793636365.

It is an interprime number because it is at equal distance from previous prime (563636351) and next prime (563636443).

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 563636397 - 2¹² = 563632301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563686397) 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, 1772283 + ... + 1772600.

It is an arithmetic number, because the mean of its divisors is an integer number (95711868).

Almost surely, 2^563636397 is an apocalyptic number.

It is an amenable number.

563636397 is a deficient number, since it is larger than the sum of its proper divisors (202058547).

563636397 is a wasteful number, since it uses less digits than its factorization.

563636397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544939.

The product of its digits is 1837080, while the sum is 48.

The square root of 563636397 is about 23741.0277157498. The cubic root of 563636397 is about 826.0373346202.

The spelling of 563636397 in words is "five hundred sixty-three million, six hundred thirty-six thousand, three hundred ninety-seven".