34090081 has 4 divisors (see below), whose sum is σ = 34133652. Its totient is φ = 34046512.

The previous prime is 34090057. The next prime is 34090097. The reversal of 34090081 is 18009043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9000000 + 25090081 = 3000^2 + 5009^2 .

It is a cyclic number.

It is not a de Polignac number, because 34090081 - 2⁹ = 34089569 is a prime.

It is a super-2 number, since 2×34090081² = 2324267245173122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34090981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20590 + ... + 22183.

It is an arithmetic number, because the mean of its divisors is an integer number (8533413).

Almost surely, 2^34090081 is an apocalyptic number.

It is an amenable number.

34090081 is a deficient number, since it is larger than the sum of its proper divisors (43571).

34090081 is an equidigital number, since it uses as much as digits as its factorization.

34090081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43570.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 34090081 is about 5838.6711673120. The cubic root of 34090081 is about 324.2470331893.

The spelling of 34090081 in words is "thirty-four million, ninety thousand, eighty-one".