29199997 has 2 divisors, whose sum is σ = 29199998. Its totient is φ = 29199996.

The previous prime is 29199971. The next prime is 29200001. The reversal of 29199997 is 79999192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17131321 + 12068676 = 4139^2 + 3474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29199997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29199917) 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, 14599998 + 14599999.

It is an arithmetic number, because the mean of its divisors is an integer number (14599999).

Almost surely, 2^29199997 is an apocalyptic number.

It is an amenable number.

29199997 is a deficient number, since it is larger than the sum of its proper divisors (1).

29199997 is an equidigital number, since it uses as much as digits as its factorization.

29199997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 826686, while the sum is 55.

The square root of 29199997 is about 5403.7021568551. The cubic root of 29199997 is about 307.9363343137.

The spelling of 29199997 in words is "twenty-nine million, one hundred ninety-nine thousand, nine hundred ninety-seven".