29161133 has 2 divisors, whose sum is σ = 29161134. Its totient is φ = 29161132.

The previous prime is 29161087. The next prime is 29161141. The reversal of 29161133 is 33116192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24780484 + 4380649 = 4978^2 + 2093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29161133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29161193) 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 as a sum of consecutive naturals, namely, 14580566 + 14580567.

It is an arithmetic number, because the mean of its divisors is an integer number (14580567).

Almost surely, 2^29161133 is an apocalyptic number.

It is an amenable number.

29161133 is a deficient number, since it is larger than the sum of its proper divisors (1).

29161133 is an equidigital number, since it uses as much as digits as its factorization.

29161133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 29161133 is about 5400.1049063884. The cubic root of 29161133 is about 307.7996567756.

The spelling of 29161133 in words is "twenty-nine million, one hundred sixty-one thousand, one hundred thirty-three".