42236507 has 4 divisors (see below), whose sum is σ = 42952440. Its totient is φ = 41520576.

The previous prime is 42236479. The next prime is 42236521. The reversal of 42236507 is 70563224.

42236507 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 42236507 - 2⁶ = 42236443 is a prime.

It is a super-2 number, since 2×42236507² = 3567845047122098, 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 42236507.

It is not an unprimeable number, because it can be changed into a prime (42236527) 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, 357878 + ... + 357995.

It is an arithmetic number, because the mean of its divisors is an integer number (10738110).

Almost surely, 2^42236507 is an apocalyptic number.

42236507 is a deficient number, since it is larger than the sum of its proper divisors (715933).

42236507 is an equidigital number, since it uses as much as digits as its factorization.

42236507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715932.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 42236507 is about 6498.9619940418. The cubic root of 42236507 is about 348.2539075999.

The spelling of 42236507 in words is "forty-two million, two hundred thirty-six thousand, five hundred seven".