29295421 has 2 divisors, whose sum is σ = 29295422. Its totient is φ = 29295420.

The previous prime is 29295407. The next prime is 29295439. The reversal of 29295421 is 12459292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25351225 + 3944196 = 5035^2 + 1986^2 .

It is a cyclic number.

It is not a de Polignac number, because 29295421 - 2¹¹ = 29293373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29295401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14647710 + 14647711.

It is an arithmetic number, because the mean of its divisors is an integer number (14647711).

Almost surely, 2^29295421 is an apocalyptic number.

It is an amenable number.

29295421 is a deficient number, since it is larger than the sum of its proper divisors (1).

29295421 is an equidigital number, since it uses as much as digits as its factorization.

29295421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 29295421 is about 5412.5244572196. The cubic root of 29295421 is about 308.2714092996.

The spelling of 29295421 in words is "twenty-nine million, two hundred ninety-five thousand, four hundred twenty-one".