29482421 has 2 divisors, whose sum is σ = 29482422. Its totient is φ = 29482420.

The previous prime is 29482399. The next prime is 29482423. The reversal of 29482421 is 12428492.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20566225 + 8916196 = 4535^2 + 2986^2 .

It is a cyclic number.

It is not a de Polignac number, because 29482421 - 2¹⁸ = 29220277 is a prime.

Together with 29482423, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1827662 and since 29482421 and 1827662 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29482423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14741210 + 14741211.

It is an arithmetic number, because the mean of its divisors is an integer number (14741211).

Almost surely, 2^29482421 is an apocalyptic number.

It is an amenable number.

29482421 is a deficient number, since it is larger than the sum of its proper divisors (1).

29482421 is an equidigital number, since it uses as much as digits as its factorization.

29482421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 29482421 is about 5429.7717263252. The cubic root of 29482421 is about 308.9259430894.

The spelling of 29482421 in words is "twenty-nine million, four hundred eighty-two thousand, four hundred twenty-one".