42836837 has 2 divisors, whose sum is σ = 42836838. Its totient is φ = 42836836.

The previous prime is 42836819. The next prime is 42836851. The reversal of 42836837 is 73863824.

42836837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24910081 + 17926756 = 4991^2 + 4234^2 .

It is a cyclic number.

It is not a de Polignac number, because 42836837 - 2²² = 38642533 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42836794 and 42836803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42836897) 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, 21418418 + 21418419.

It is an arithmetic number, because the mean of its divisors is an integer number (21418419).

Almost surely, 2^42836837 is an apocalyptic number.

It is an amenable number.

42836837 is a deficient number, since it is larger than the sum of its proper divisors (1).

42836837 is an equidigital number, since it uses as much as digits as its factorization.

42836837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 42836837 is about 6544.9856378758. The cubic root of 42836837 is about 349.8961242760.

The spelling of 42836837 in words is "forty-two million, eight hundred thirty-six thousand, eight hundred thirty-seven".