42025469 has 2 divisors, whose sum is σ = 42025470. Its totient is φ = 42025468.

The previous prime is 42025453. The next prime is 42025481. The reversal of 42025469 is 96452024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23406244 + 18619225 = 4838^2 + 4315^2 .

It is a cyclic number.

It is not a de Polignac number, because 42025469 - 2⁴ = 42025453 is a prime.

It is a super-2 number, since 2×42025469² = 3532280089339922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42025409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21012734 + 21012735.

It is an arithmetic number, because the mean of its divisors is an integer number (21012735).

Almost surely, 2^42025469 is an apocalyptic number.

It is an amenable number.

42025469 is a deficient number, since it is larger than the sum of its proper divisors (1).

42025469 is an equidigital number, since it uses as much as digits as its factorization.

42025469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 42025469 is about 6482.7053766155. The cubic root of 42025469 is about 347.6729129279.

The spelling of 42025469 in words is "forty-two million, twenty-five thousand, four hundred sixty-nine".