42375469 has 2 divisors, whose sum is σ = 42375470. Its totient is φ = 42375468.

The previous prime is 42375449. The next prime is 42375479. The reversal of 42375469 is 96457324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40170244 + 2205225 = 6338^2 + 1485^2 .

It is a cyclic number.

It is not a de Polignac number, because 42375469 - 2⁹ = 42374957 is a prime.

It is a super-2 number, since 2×42375469² = 3591360745939922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42375439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21187734 + 21187735.

It is an arithmetic number, because the mean of its divisors is an integer number (21187735).

Almost surely, 2^42375469 is an apocalyptic number.

It is an amenable number.

42375469 is a deficient number, since it is larger than the sum of its proper divisors (1).

42375469 is an equidigital number, since it uses as much as digits as its factorization.

42375469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 42375469 is about 6509.6443067191. The cubic root of 42375469 is about 348.6354186520.

The spelling of 42375469 in words is "forty-two million, three hundred seventy-five thousand, four hundred sixty-nine".