117563 has 2 divisors, whose sum is σ = 117564. Its totient is φ = 117562.

The previous prime is 117541. The next prime is 117571. The reversal of 117563 is 365711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117563 - 2⁶ = 117499 is a prime.

It is not a weakly prime, because it can be changed into another prime (117503) 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, 58781 + 58782.

It is an arithmetic number, because the mean of its divisors is an integer number (58782).

2¹¹⁷⁵⁶³ is an apocalyptic number.

117563 is a deficient number, since it is larger than the sum of its proper divisors (1).

117563 is an equidigital number, since it uses as much as digits as its factorization.

117563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630, while the sum is 23.

The square root of 117563 is about 342.8746126502. The cubic root of 117563 is about 48.9880576199.

The spelling of 117563 in words is "one hundred seventeen thousand, five hundred sixty-three".