29933213 has 2 divisors, whose sum is σ = 29933214. Its totient is φ = 29933212.

The previous prime is 29933207. The next prime is 29933221. The reversal of 29933213 is 31233992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26646244 + 3286969 = 5162^2 + 1813^2 .

It is a cyclic number.

It is not a de Polignac number, because 29933213 - 2⁸ = 29932957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29933213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29933273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14966606 + 14966607.

It is an arithmetic number, because the mean of its divisors is an integer number (14966607).

Almost surely, 2^29933213 is an apocalyptic number.

It is an amenable number.

29933213 is a deficient number, since it is larger than the sum of its proper divisors (1).

29933213 is an equidigital number, since it uses as much as digits as its factorization.

29933213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 32.

The square root of 29933213 is about 5471.1253869748. The cubic root of 29933213 is about 310.4924984552.

The spelling of 29933213 in words is "twenty-nine million, nine hundred thirty-three thousand, two hundred thirteen".