42825269 has 2 divisors, whose sum is σ = 42825270. Its totient is φ = 42825268.

The previous prime is 42825217. The next prime is 42825271. The reversal of 42825269 is 96252824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 4571044 = 6185^2 + 2138^2 .

It is a cyclic number.

It is not a de Polignac number, because 42825269 - 2¹⁶ = 42759733 is a prime.

It is a super-2 number, since 2×42825269² = 3668007329844722, which contains 22 as substring.

Together with 42825271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42825569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21412634 + 21412635.

It is an arithmetic number, because the mean of its divisors is an integer number (21412635).

Almost surely, 2^42825269 is an apocalyptic number.

It is an amenable number.

42825269 is a deficient number, since it is larger than the sum of its proper divisors (1).

42825269 is an equidigital number, since it uses as much as digits as its factorization.

42825269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 42825269 is about 6544.1018482294. The cubic root of 42825269 is about 349.8646251968.

The spelling of 42825269 in words is "forty-two million, eight hundred twenty-five thousand, two hundred sixty-nine".