42452041 has 2 divisors, whose sum is σ = 42452042. Its totient is φ = 42452040.

The previous prime is 42452029. The next prime is 42452063. The reversal of 42452041 is 14025424.

It is a happy number.

It is an a-pointer prime, because the next prime (42452063) can be obtained adding 42452041 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39879225 + 2572816 = 6315^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 42452041 - 2¹⁷ = 42320969 is a prime.

It is not a weakly prime, because it can be changed into another prime (42452141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21226020 + 21226021.

It is an arithmetic number, because the mean of its divisors is an integer number (21226021).

Almost surely, 2^42452041 is an apocalyptic number.

It is an amenable number.

42452041 is a deficient number, since it is larger than the sum of its proper divisors (1).

42452041 is an equidigital number, since it uses as much as digits as its factorization.

42452041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 42452041 is about 6515.5230795386. The cubic root of 42452041 is about 348.8452857316.

Adding to 42452041 its reverse (14025424), we get a palindrome (56477465).

The spelling of 42452041 in words is "forty-two million, four hundred fifty-two thousand, forty-one".