42235937 has 2 divisors, whose sum is σ = 42235938. Its totient is φ = 42235936.

The previous prime is 42235903. The next prime is 42235943. The reversal of 42235937 is 73953224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38390416 + 3845521 = 6196^2 + 1961^2 .

It is a cyclic number.

It is not a de Polignac number, because 42235937 - 2²⁴ = 25458721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42235897 and 42235906.

It is not a weakly prime, because it can be changed into another prime (42235957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21117968 + 21117969.

It is an arithmetic number, because the mean of its divisors is an integer number (21117969).

Almost surely, 2^42235937 is an apocalyptic number.

It is an amenable number.

42235937 is a deficient number, since it is larger than the sum of its proper divisors (1).

42235937 is an equidigital number, since it uses as much as digits as its factorization.

42235937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 42235937 is about 6498.9181407370. The cubic root of 42235937 is about 348.2523409803.

The spelling of 42235937 in words is "forty-two million, two hundred thirty-five thousand, nine hundred thirty-seven".