29542813 has 2 divisors, whose sum is σ = 29542814. Its totient is φ = 29542812.

The previous prime is 29542811. The next prime is 29542831. The reversal of 29542813 is 31824592.

Together with next prime (29542831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 7518564 = 4693^2 + 2742^2 .

It is a cyclic number.

It is not a de Polignac number, because 29542813 - 2¹ = 29542811 is a prime.

Together with 29542811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29542811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14771406 + 14771407.

It is an arithmetic number, because the mean of its divisors is an integer number (14771407).

Almost surely, 2^29542813 is an apocalyptic number.

It is an amenable number.

29542813 is a deficient number, since it is larger than the sum of its proper divisors (1).

29542813 is an equidigital number, since it uses as much as digits as its factorization.

29542813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 29542813 is about 5435.3300727739. The cubic root of 29542813 is about 309.1367345892.

The spelling of 29542813 in words is "twenty-nine million, five hundred forty-two thousand, eight hundred thirteen".