42365203 has 4 divisors (see below), whose sum is σ = 42961968. Its totient is φ = 41768440.

The previous prime is 42365161. The next prime is 42365209. The reversal of 42365203 is 30256324.

It is a happy number.

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 42365203 - 2⁹ = 42364691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42365209) 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, 298276 + ... + 298417.

It is an arithmetic number, because the mean of its divisors is an integer number (10740492).

Almost surely, 2^42365203 is an apocalyptic number.

42365203 is a deficient number, since it is larger than the sum of its proper divisors (596765).

42365203 is an equidigital number, since it uses as much as digits as its factorization.

42365203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596764.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 42365203 is about 6508.8557366099. The cubic root of 42365203 is about 348.6072625799.

The spelling of 42365203 in words is "forty-two million, three hundred sixty-five thousand, two hundred three".