42302833 has 2 divisors, whose sum is σ = 42302834. Its totient is φ = 42302832.

The previous prime is 42302831. The next prime is 42302837. The reversal of 42302833 is 33820324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35605089 + 6697744 = 5967^2 + 2588^2 .

It is a cyclic number.

It is not a de Polignac number, because 42302833 - 2¹ = 42302831 is a prime.

Together with 42302831, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 42302798 and 42302807.

It is not a weakly prime, because it can be changed into another prime (42302831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21151416 + 21151417.

It is an arithmetic number, because the mean of its divisors is an integer number (21151417).

Almost surely, 2^42302833 is an apocalyptic number.

It is an amenable number.

42302833 is a deficient number, since it is larger than the sum of its proper divisors (1).

42302833 is an equidigital number, since it uses as much as digits as its factorization.

42302833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 42302833 is about 6504.0628071998. The cubic root of 42302833 is about 348.4361054982.

The spelling of 42302833 in words is "forty-two million, three hundred two thousand, eight hundred thirty-three".