29979529 has 2 divisors, whose sum is σ = 29979530. Its totient is φ = 29979528.

The previous prime is 29979497. The next prime is 29979539. The reversal of 29979529 is 92597992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19404025 + 10575504 = 4405^2 + 3252^2 .

It is a cyclic number.

It is not a de Polignac number, because 29979529 - 2⁵ = 29979497 is a prime.

It is not a weakly prime, because it can be changed into another prime (29979539) 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, 14989764 + 14989765.

It is an arithmetic number, because the mean of its divisors is an integer number (14989765).

Almost surely, 2^29979529 is an apocalyptic number.

It is an amenable number.

29979529 is a deficient number, since it is larger than the sum of its proper divisors (1).

29979529 is an equidigital number, since it uses as much as digits as its factorization.

29979529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 52.

The square root of 29979529 is about 5475.3565180726. The cubic root of 29979529 is about 310.6525587841.

The spelling of 29979529 in words is "twenty-nine million, nine hundred seventy-nine thousand, five hundred twenty-nine".