34343581 has 2 divisors, whose sum is σ = 34343582. Its totient is φ = 34343580.

The previous prime is 34343557. The next prime is 34343633. The reversal of 34343581 is 18534343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34035556 + 308025 = 5834^2 + 555^2 .

It is a cyclic number.

It is not a de Polignac number, because 34343581 - 2¹¹ = 34341533 is a prime.

It is a super-2 number, since 2×34343581² = 2358963111807122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34343521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17171790 + 17171791.

It is an arithmetic number, because the mean of its divisors is an integer number (17171791).

Almost surely, 2^34343581 is an apocalyptic number.

It is an amenable number.

34343581 is a deficient number, since it is larger than the sum of its proper divisors (1).

34343581 is an equidigital number, since it uses as much as digits as its factorization.

34343581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 34343581 is about 5860.3396659238. The cubic root of 34343581 is about 325.0487690128.

The spelling of 34343581 in words is "thirty-four million, three hundred forty-three thousand, five hundred eighty-one".