42671033 has 2 divisors, whose sum is σ = 42671034. Its totient is φ = 42671032.

The previous prime is 42671021. The next prime is 42671051. The reversal of 42671033 is 33017624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42354064 + 316969 = 6508^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 42671033 - 2²⁴ = 25893817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42670993 and 42671011.

It is not a weakly prime, because it can be changed into another prime (42671063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21335516 + 21335517.

It is an arithmetic number, because the mean of its divisors is an integer number (21335517).

Almost surely, 2^42671033 is an apocalyptic number.

It is an amenable number.

42671033 is a deficient number, since it is larger than the sum of its proper divisors (1).

42671033 is an equidigital number, since it uses as much as digits as its factorization.

42671033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 42671033 is about 6532.3068666437. The cubic root of 42671033 is about 349.4441053114. Note that the first 3 decimals are identical.

Adding to 42671033 its reverse (33017624), we get a palindrome (75688657).

The spelling of 42671033 in words is "forty-two million, six hundred seventy-one thousand, thirty-three".