42641033 has 2 divisors, whose sum is σ = 42641034. Its totient is φ = 42641032.

The previous prime is 42641023. The next prime is 42641051. The reversal of 42641033 is 33014624.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42471289 + 169744 = 6517^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 42641033 - 2⁴ = 42641017 is a prime.

It is not a weakly prime, because it can be changed into another prime (42641023) 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, 21320516 + 21320517.

It is an arithmetic number, because the mean of its divisors is an integer number (21320517).

Almost surely, 2^42641033 is an apocalyptic number.

It is an amenable number.

42641033 is a deficient number, since it is larger than the sum of its proper divisors (1).

42641033 is an equidigital number, since it uses as much as digits as its factorization.

42641033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 42641033 is about 6530.0101837593. The cubic root of 42641033 is about 349.3621935306.

Adding to 42641033 its reverse (33014624), we get a palindrome (75655657).

The spelling of 42641033 in words is "forty-two million, six hundred forty-one thousand, thirty-three".