2804129 has 2 divisors, whose sum is σ = 2804130. Its totient is φ = 2804128.

The previous prime is 2804117. The next prime is 2804141. The reversal of 2804129 is 9214082.

It is a balanced prime because it is at equal distance from previous prime (2804117) and next prime (2804141).

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 954529 = 1360^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 2804129 - 2⁸ = 2803873 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 = 2804098 and 2804107.

It is not a weakly prime, because it can be changed into another prime (2804189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402064 + 1402065.

It is an arithmetic number, because the mean of its divisors is an integer number (1402065).

2^2804129 is an apocalyptic number.

It is an amenable number.

2804129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2804129 is an equidigital number, since it uses as much as digits as its factorization.

2804129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2804129 is about 1674.5533732909. The cubic root of 2804129 is about 141.0152222722.

The spelling of 2804129 in words is "two million, eight hundred four thousand, one hundred twenty-nine".