42452269 has 2 divisors, whose sum is σ = 42452270. Its totient is φ = 42452268.

The previous prime is 42452257. The next prime is 42452303. The reversal of 42452269 is 96225424.

42452269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42452303) can be obtained adding 42452269 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27436644 + 15015625 = 5238^2 + 3875^2 .

It is a cyclic number.

It is not a de Polignac number, because 42452269 - 2⁷ = 42452141 is a prime.

It is a super-2 number, since 2×42452269² = 3604390286496722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42452239) 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 as a sum of consecutive naturals, namely, 21226134 + 21226135.

It is an arithmetic number, because the mean of its divisors is an integer number (21226135).

Almost surely, 2^42452269 is an apocalyptic number.

It is an amenable number.

42452269 is a deficient number, since it is larger than the sum of its proper divisors (1).

42452269 is an equidigital number, since it uses as much as digits as its factorization.

42452269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 42452269 is about 6515.5405761917. The cubic root of 42452269 is about 348.8459102527.

The spelling of 42452269 in words is "forty-two million, four hundred fifty-two thousand, two hundred sixty-nine".