34142237 has 2 divisors, whose sum is σ = 34142238. Its totient is φ = 34142236.

The previous prime is 34142219. The next prime is 34142291. The reversal of 34142237 is 73224143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33016516 + 1125721 = 5746^2 + 1061^2 .

It is an emirp because it is prime and its reverse (73224143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34142237 - 2¹⁰ = 34141213 is a prime.

It is a Chen prime.

It is equal to p_2097530 and since 34142237 and 2097530 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 (34148237) 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, 17071118 + 17071119.

It is an arithmetic number, because the mean of its divisors is an integer number (17071119).

Almost surely, 2^34142237 is an apocalyptic number.

It is an amenable number.

34142237 is a deficient number, since it is larger than the sum of its proper divisors (1).

34142237 is an equidigital number, since it uses as much as digits as its factorization.

34142237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 34142237 is about 5843.1358875179. The cubic root of 34142237 is about 324.4123091343.

The spelling of 34142237 in words is "thirty-four million, one hundred forty-two thousand, two hundred thirty-seven".