563238947 has 2 divisors, whose sum is σ = 563238948. Its totient is φ = 563238946.

The previous prime is 563238941. The next prime is 563238971. The reversal of 563238947 is 749832365.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563238947 - 2²⁶ = 496130083 is a prime.

It is a super-2 number, since 2×563238947² = 634476222835337618, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (563238941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281619473 + 281619474.

It is an arithmetic number, because the mean of its divisors is an integer number (281619474).

Almost surely, 2^563238947 is an apocalyptic number.

563238947 is a deficient number, since it is larger than the sum of its proper divisors (1).

563238947 is an equidigital number, since it uses as much as digits as its factorization.

563238947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 47.

The square root of 563238947 is about 23732.6557089593. The cubic root of 563238947 is about 825.8431280123.

The spelling of 563238947 in words is "five hundred sixty-three million, two hundred thirty-eight thousand, nine hundred forty-seven".