42835229 has 2 divisors, whose sum is σ = 42835230. Its totient is φ = 42835228.

The previous prime is 42835217. The next prime is 42835271. The reversal of 42835229 is 92253824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40615129 + 2220100 = 6373^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 42835229 - 2¹² = 42831133 is a prime.

It is a Chen prime.

It is equal to p_2595257 and since 42835229 and 2595257 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42835129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21417614 + 21417615.

It is an arithmetic number, because the mean of its divisors is an integer number (21417615).

Almost surely, 2^42835229 is an apocalyptic number.

It is an amenable number.

42835229 is a deficient number, since it is larger than the sum of its proper divisors (1).

42835229 is an equidigital number, since it uses as much as digits as its factorization.

42835229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 42835229 is about 6544.8627945894. The cubic root of 42835229 is about 349.8917461127.

The spelling of 42835229 in words is "forty-two million, eight hundred thirty-five thousand, two hundred twenty-nine".