29929517 has 2 divisors, whose sum is σ = 29929518. Its totient is φ = 29929516.

The previous prime is 29929513. The next prime is 29929561. The reversal of 29929517 is 71592992.

It is a happy number.

It is an a-pointer prime, because the next prime (29929561) can be obtained adding 29929517 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23872996 + 6056521 = 4886^2 + 2461^2 .

It is a cyclic number.

It is not a de Polignac number, because 29929517 - 2² = 29929513 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29929513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14964758 + 14964759.

It is an arithmetic number, because the mean of its divisors is an integer number (14964759).

Almost surely, 2^29929517 is an apocalyptic number.

It is an amenable number.

29929517 is a deficient number, since it is larger than the sum of its proper divisors (1).

29929517 is an equidigital number, since it uses as much as digits as its factorization.

29929517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 44.

The square root of 29929517 is about 5470.7876032615. The cubic root of 29929517 is about 310.4797185875.

The spelling of 29929517 in words is "twenty-nine million, nine hundred twenty-nine thousand, five hundred seventeen".