29353421 has 2 divisors, whose sum is σ = 29353422. Its totient is φ = 29353420.

The previous prime is 29353409. The next prime is 29353433. The reversal of 29353421 is 12435392.

It is a balanced prime because it is at equal distance from previous prime (29353409) and next prime (29353433).

It can be written as a sum of positive squares in only one way, i.e., 29311396 + 42025 = 5414^2 + 205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29353421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29353021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14676710 + 14676711.

It is an arithmetic number, because the mean of its divisors is an integer number (14676711).

Almost surely, 2^29353421 is an apocalyptic number.

It is an amenable number.

29353421 is a deficient number, since it is larger than the sum of its proper divisors (1).

29353421 is an equidigital number, since it uses as much as digits as its factorization.

29353421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 29353421 is about 5417.8797513418. The cubic root of 29353421 is about 308.4747170119.

The spelling of 29353421 in words is "twenty-nine million, three hundred fifty-three thousand, four hundred twenty-one".