42863633 has 2 divisors, whose sum is σ = 42863634. Its totient is φ = 42863632.

The previous prime is 42863627. The next prime is 42863657. The reversal of 42863633 is 33636824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33085504 + 9778129 = 5752^2 + 3127^2 .

It is a cyclic number.

It is not a de Polignac number, because 42863633 - 2¹⁶ = 42798097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42863593 and 42863602.

It is not a weakly prime, because it can be changed into another prime (42863603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21431816 + 21431817.

It is an arithmetic number, because the mean of its divisors is an integer number (21431817).

Almost surely, 2^42863633 is an apocalyptic number.

It is an amenable number.

42863633 is a deficient number, since it is larger than the sum of its proper divisors (1).

42863633 is an equidigital number, since it uses as much as digits as its factorization.

42863633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 35.

The square root of 42863633 is about 6547.0323811632. The cubic root of 42863633 is about 349.9690666539.

The spelling of 42863633 in words is "forty-two million, eight hundred sixty-three thousand, six hundred thirty-three".