34421237 has 2 divisors, whose sum is σ = 34421238. Its totient is φ = 34421236.

The previous prime is 34421227. The next prime is 34421239. The reversal of 34421237 is 73212443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26946481 + 7474756 = 5191^2 + 2734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34421237 is a prime.

It is a super-2 number, since 2×34421237² = 2369643113220338, which contains 22 as substring.

Together with 34421239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34421239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17210618 + 17210619.

It is an arithmetic number, because the mean of its divisors is an integer number (17210619).

Almost surely, 2^34421237 is an apocalyptic number.

It is an amenable number.

34421237 is a deficient number, since it is larger than the sum of its proper divisors (1).

34421237 is an equidigital number, since it uses as much as digits as its factorization.

34421237 is an evil number, because the sum of its binary digits is even.

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

The square root of 34421237 is about 5866.9614793349. The cubic root of 34421237 is about 325.2935792998.

The spelling of 34421237 in words is "thirty-four million, four hundred twenty-one thousand, two hundred thirty-seven".