29093081 has 4 divisors (see below), whose sum is σ = 29360100. Its totient is φ = 28826064.

The previous prime is 29093059. The next prime is 29093087. The reversal of 29093081 is 18039092.

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 18627856 + 10465225 = 4316^2 + 3235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29093081 is a prime.

It is a super-2 number, since 2×29093081² = 1692814724145122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29093087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133346 + ... + 133563.

It is an arithmetic number, because the mean of its divisors is an integer number (7340025).

Almost surely, 2^29093081 is an apocalyptic number.

It is an amenable number.

29093081 is a deficient number, since it is larger than the sum of its proper divisors (267019).

29093081 is a wasteful number, since it uses less digits than its factorization.

29093081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267018.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 29093081 is about 5393.8002373095. The cubic root of 29093081 is about 307.5600376306.

The spelling of 29093081 in words is "twenty-nine million, ninety-three thousand, eighty-one".