42235263 has 20 divisors (see below), whose sum is σ = 72106320. Its totient is φ = 24134112.

The previous prime is 42235231. The next prime is 42235267. The reversal of 42235263 is 36253224.

It is not a de Polignac number, because 42235263 - 2⁵ = 42235231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42235267) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36678 + ... + 37811.

It is an arithmetic number, because the mean of its divisors is an integer number (3605316).

Almost surely, 2^42235263 is an apocalyptic number.

42235263 is a deficient number, since it is larger than the sum of its proper divisors (29871057).

42235263 is an equidigital number, since it uses as much as digits as its factorization.

42235263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74508 (or 74499 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 42235263 is about 6498.8662857455. The cubic root of 42235263 is about 348.2504885031.

Adding to 42235263 its reverse (36253224), we get a palindrome (78488487).

The spelling of 42235263 in words is "forty-two million, two hundred thirty-five thousand, two hundred sixty-three".