42365507 has 4 divisors (see below), whose sum is σ = 42997896. Its totient is φ = 41733120.

The previous prime is 42365503. The next prime is 42365579. The reversal of 42365507 is 70556324.

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 42365507 - 2² = 42365503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42365501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316094 + ... + 316227.

It is an arithmetic number, because the mean of its divisors is an integer number (10749474).

Almost surely, 2^42365507 is an apocalyptic number.

42365507 is a deficient number, since it is larger than the sum of its proper divisors (632389).

42365507 is an equidigital number, since it uses as much as digits as its factorization.

42365507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632388.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 42365507 is about 6508.8790893671. The cubic root of 42365507 is about 348.6080964117.

The spelling of 42365507 in words is "forty-two million, three hundred sixty-five thousand, five hundred seven".