29132261 has 2 divisors, whose sum is σ = 29132262. Its totient is φ = 29132260.

The previous prime is 29132239. The next prime is 29132293. The reversal of 29132261 is 16223192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27363361 + 1768900 = 5231^2 + 1330^2 .

It is a cyclic number.

It is not a de Polignac number, because 29132261 - 2¹⁸ = 28870117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29132261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29132161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14566130 + 14566131.

It is an arithmetic number, because the mean of its divisors is an integer number (14566131).

Almost surely, 2^29132261 is an apocalyptic number.

It is an amenable number.

29132261 is a deficient number, since it is larger than the sum of its proper divisors (1).

29132261 is an equidigital number, since it uses as much as digits as its factorization.

29132261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 29132261 is about 5397.4309629675. The cubic root of 29132261 is about 307.6980406256.

The spelling of 29132261 in words is "twenty-nine million, one hundred thirty-two thousand, two hundred sixty-one".