42283237 has 2 divisors, whose sum is σ = 42283238. Its totient is φ = 42283236.

The previous prime is 42283217. The next prime is 42283261. The reversal of 42283237 is 73238224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22221796 + 20061441 = 4714^2 + 4479^2 .

It is a cyclic number.

It is not a de Polignac number, because 42283237 - 2¹¹ = 42281189 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42283199 and 42283208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42283207) 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, 21141618 + 21141619.

It is an arithmetic number, because the mean of its divisors is an integer number (21141619).

Almost surely, 2^42283237 is an apocalyptic number.

It is an amenable number.

42283237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42283237 is an equidigital number, since it uses as much as digits as its factorization.

42283237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 42283237 is about 6502.5561896842. The cubic root of 42283237 is about 348.3822950084.

The spelling of 42283237 in words is "forty-two million, two hundred eighty-three thousand, two hundred thirty-seven".