42657833 has 2 divisors, whose sum is σ = 42657834. Its totient is φ = 42657832.

The previous prime is 42657817. The next prime is 42657851. The reversal of 42657833 is 33875624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41319184 + 1338649 = 6428^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 42657833 - 2⁴ = 42657817 is a prime.

It is not a weakly prime, because it can be changed into another prime (42657803) 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, 21328916 + 21328917.

It is an arithmetic number, because the mean of its divisors is an integer number (21328917).

Almost surely, 2^42657833 is an apocalyptic number.

It is an amenable number.

42657833 is a deficient number, since it is larger than the sum of its proper divisors (1).

42657833 is an equidigital number, since it uses as much as digits as its factorization.

42657833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 42657833 is about 6531.2964256723. The cubic root of 42657833 is about 349.4080688593.

The spelling of 42657833 in words is "forty-two million, six hundred fifty-seven thousand, eight hundred thirty-three".