42258563 has 2 divisors, whose sum is σ = 42258564. Its totient is φ = 42258562.

The previous prime is 42258553. The next prime is 42258571. The reversal of 42258563 is 36585224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42258563 is a prime.

It is a super-2 number, since 2×42258563² = 3571572293649938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42258523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21129281 + 21129282.

It is an arithmetic number, because the mean of its divisors is an integer number (21129282).

Almost surely, 2^42258563 is an apocalyptic number.

42258563 is a deficient number, since it is larger than the sum of its proper divisors (1).

42258563 is an equidigital number, since it uses as much as digits as its factorization.

42258563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 35.

The square root of 42258563 is about 6500.6586589360. The cubic root of 42258563 is about 348.3145167118.

It can be divided in two parts, 422 and 58563, that added together give a palindrome (58985).

The spelling of 42258563 in words is "forty-two million, two hundred fifty-eight thousand, five hundred sixty-three".