34210381 has 2 divisors, whose sum is σ = 34210382. Its totient is φ = 34210380.

The previous prime is 34210369. The next prime is 34210403. The reversal of 34210381 is 18301243.

It is an a-pointer prime, because the next prime (34210403) can be obtained adding 34210381 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24413481 + 9796900 = 4941^2 + 3130^2 .

It is an emirp because it is prime and its reverse (18301243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34210381 - 2¹⁵ = 34177613 is a prime.

It is a super-2 number, since 2×34210381² = 2340700336330322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34210321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17105190 + 17105191.

It is an arithmetic number, because the mean of its divisors is an integer number (17105191).

Almost surely, 2^34210381 is an apocalyptic number.

It is an amenable number.

34210381 is a deficient number, since it is larger than the sum of its proper divisors (1).

34210381 is an equidigital number, since it uses as much as digits as its factorization.

34210381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 34210381 is about 5848.9640963165. The cubic root of 34210381 is about 324.6279956574.

The spelling of 34210381 in words is "thirty-four million, two hundred ten thousand, three hundred eighty-one".