42258533 has 4 divisors (see below), whose sum is σ = 42353100. Its totient is φ = 42163968.

The previous prime is 42258529. The next prime is 42258553. The reversal of 42258533 is 33585224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24433249 + 17825284 = 4943^2 + 4222^2 .

It is a cyclic number.

It is not a de Polignac number, because 42258533 - 2² = 42258529 is a prime.

It is a super-2 number, since 2×42258533² = 3571567222624178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42258533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42258523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46610 + ... + 47507.

It is an arithmetic number, because the mean of its divisors is an integer number (10588275).

Almost surely, 2^42258533 is an apocalyptic number.

It is an amenable number.

42258533 is a deficient number, since it is larger than the sum of its proper divisors (94567).

42258533 is an equidigital number, since it uses as much as digits as its factorization.

42258533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94566.

The product of its digits is 28800, while the sum is 32.

The square root of 42258533 is about 6500.6563514771. The cubic root of 42258533 is about 348.3144342872.

The spelling of 42258533 in words is "forty-two million, two hundred fifty-eight thousand, five hundred thirty-three".