29348509 has 2 divisors, whose sum is σ = 29348510. Its totient is φ = 29348508.

The previous prime is 29348507. The next prime is 29348519. The reversal of 29348509 is 90584392.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29127609 + 220900 = 5397^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 29348509 - 2¹ = 29348507 is a prime.

It is a super-2 number, since 2×29348509² = 1722669961046162, which contains 22 as substring.

Together with 29348507, 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 (29348507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14674254 + 14674255.

It is an arithmetic number, because the mean of its divisors is an integer number (14674255).

Almost surely, 2^29348509 is an apocalyptic number.

It is an amenable number.

29348509 is a deficient number, since it is larger than the sum of its proper divisors (1).

29348509 is an equidigital number, since it uses as much as digits as its factorization.

29348509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 29348509 is about 5417.4264185128. The cubic root of 29348509 is about 308.4575093375.

The spelling of 29348509 in words is "twenty-nine million, three hundred forty-eight thousand, five hundred nine".