42432235 has 4 divisors (see below), whose sum is σ = 50918688. Its totient is φ = 33945784.

The previous prime is 42432223. The next prime is 42432259. The reversal of 42432235 is 53223424.

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 42432235 - 2⁹ = 42431723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4243219 + ... + 4243228.

It is an arithmetic number, because the mean of its divisors is an integer number (12729672).

Almost surely, 2^42432235 is an apocalyptic number.

42432235 is a deficient number, since it is larger than the sum of its proper divisors (8486453).

42432235 is an equidigital number, since it uses as much as digits as its factorization.

42432235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8486452.

The product of its digits is 5760, while the sum is 25.

The square root of 42432235 is about 6514.0029935517. The cubic root of 42432235 is about 348.7910260357.

Adding to 42432235 its reverse (53223424), we get a palindrome (95655659).

The spelling of 42432235 in words is "forty-two million, four hundred thirty-two thousand, two hundred thirty-five".