42558263 has 4 divisors (see below), whose sum is σ = 46427208. Its totient is φ = 38689320.

The previous prime is 42558253. The next prime is 42558281. The reversal of 42558263 is 36285524.

42558263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42558263 - 2⁸ = 42558007 is a prime.

It is a super-2 number, since 2×42558263² = 3622411499154338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42558223) 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 3 ways as a sum of consecutive naturals, for example, 1934456 + ... + 1934477.

It is an arithmetic number, because the mean of its divisors is an integer number (11606802).

Almost surely, 2^42558263 is an apocalyptic number.

42558263 is a deficient number, since it is larger than the sum of its proper divisors (3868945).

42558263 is a wasteful number, since it uses less digits than its factorization.

42558263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868944.

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

The square root of 42558263 is about 6523.6694428826. The cubic root of 42558263 is about 349.1359995192.

The spelling of 42558263 in words is "forty-two million, five hundred fifty-eight thousand, two hundred sixty-three".