29193961 has 2 divisors, whose sum is σ = 29193962. Its totient is φ = 29193960.

The previous prime is 29193959. The next prime is 29193979. The reversal of 29193961 is 16939192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28419561 + 774400 = 5331^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 29193961 - 2¹ = 29193959 is a prime.

Together with 29193959, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29193911) 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, 14596980 + 14596981.

It is an arithmetic number, because the mean of its divisors is an integer number (14596981).

Almost surely, 2^29193961 is an apocalyptic number.

It is an amenable number.

29193961 is a deficient number, since it is larger than the sum of its proper divisors (1).

29193961 is an equidigital number, since it uses as much as digits as its factorization.

29193961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 40.

The square root of 29193961 is about 5403.1436220038. The cubic root of 29193961 is about 307.9151147704.

The spelling of 29193961 in words is "twenty-nine million, one hundred ninety-three thousand, nine hundred sixty-one".