42663563 has 2 divisors, whose sum is σ = 42663564. Its totient is φ = 42663562.

The previous prime is 42663539. The next prime is 42663587. The reversal of 42663563 is 36536624.

It is a balanced prime because it is at equal distance from previous prime (42663539) and next prime (42663587).

It is a cyclic number.

It is not a de Polignac number, because 42663563 - 2⁶ = 42663499 is a prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (42663503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21331781 + 21331782.

It is an arithmetic number, because the mean of its divisors is an integer number (21331782).

Almost surely, 2^42663563 is an apocalyptic number.

42663563 is a deficient number, since it is larger than the sum of its proper divisors (1).

42663563 is an equidigital number, since it uses as much as digits as its factorization.

42663563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 35.

The square root of 42663563 is about 6531.7350681117. The cubic root of 42663563 is about 349.4237128685.

The spelling of 42663563 in words is "forty-two million, six hundred sixty-three thousand, five hundred sixty-three".