29825129 has 2 divisors, whose sum is σ = 29825130. Its totient is φ = 29825128.

The previous prime is 29825113. The next prime is 29825143. The reversal of 29825129 is 92152892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29106025 + 719104 = 5395^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 29825129 - 2⁴ = 29825113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29825092 and 29825101.

It is not a weakly prime, because it can be changed into another prime (29825179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14912564 + 14912565.

It is an arithmetic number, because the mean of its divisors is an integer number (14912565).

Almost surely, 2^29825129 is an apocalyptic number.

It is an amenable number.

29825129 is a deficient number, since it is larger than the sum of its proper divisors (1).

29825129 is an equidigital number, since it uses as much as digits as its factorization.

29825129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 38.

The square root of 29825129 is about 5461.2387788852. The cubic root of 29825129 is about 310.1183349823.

The spelling of 29825129 in words is "twenty-nine million, eight hundred twenty-five thousand, one hundred twenty-nine".