29156117 has 2 divisors, whose sum is σ = 29156118. Its totient is φ = 29156116.

The previous prime is 29156093. The next prime is 29156131. The reversal of 29156117 is 71165192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26615281 + 2540836 = 5159^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 29156117 - 2⁶ = 29156053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29156177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14578058 + 14578059.

It is an arithmetic number, because the mean of its divisors is an integer number (14578059).

Almost surely, 2^29156117 is an apocalyptic number.

It is an amenable number.

29156117 is a deficient number, since it is larger than the sum of its proper divisors (1).

29156117 is an equidigital number, since it uses as much as digits as its factorization.

29156117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 32.

The square root of 29156117 is about 5399.6404509930. The cubic root of 29156117 is about 307.7820075801.

The spelling of 29156117 in words is "twenty-nine million, one hundred fifty-six thousand, one hundred seventeen".