42658633 has 2 divisors, whose sum is σ = 42658634. Its totient is φ = 42658632.

The previous prime is 42658621. The next prime is 42658673. The reversal of 42658633 is 33685624.

42658633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22155849 + 20502784 = 4707^2 + 4528^2 .

It is a cyclic number.

It is not a de Polignac number, because 42658633 - 2⁵ = 42658601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42658592 and 42658601.

It is not a weakly prime, because it can be changed into another prime (42658673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21329316 + 21329317.

It is an arithmetic number, because the mean of its divisors is an integer number (21329317).

Almost surely, 2^42658633 is an apocalyptic number.

It is an amenable number.

42658633 is a deficient number, since it is larger than the sum of its proper divisors (1).

42658633 is an equidigital number, since it uses as much as digits as its factorization.

42658633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The square root of 42658633 is about 6531.3576689690. The cubic root of 42658633 is about 349.4102530983.

The spelling of 42658633 in words is "forty-two million, six hundred fifty-eight thousand, six hundred thirty-three".