873530129 has 2 divisors, whose sum is σ = 873530130. Its totient is φ = 873530128.

The previous prime is 873530117. The next prime is 873530167. The reversal of 873530129 is 921035378.

It is an a-pointer prime, because the next prime (873530167) can be obtained adding 873530129 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 855679504 + 17850625 = 29252^2 + 4225^2 .

It is a cyclic number.

It is not a de Polignac number, because 873530129 - 2¹⁶ = 873464593 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 873530092 and 873530101.

It is not a weakly prime, because it can be changed into another prime (873532129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436765064 + 436765065.

It is an arithmetic number, because the mean of its divisors is an integer number (436765065).

Almost surely, 2^873530129 is an apocalyptic number.

It is an amenable number.

873530129 is a deficient number, since it is larger than the sum of its proper divisors (1).

873530129 is an equidigital number, since it uses as much as digits as its factorization.

873530129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 873530129 is about 29555.5431180007. The cubic root of 873530129 is about 955.9297174833.

The spelling of 873530129 in words is "eight hundred seventy-three million, five hundred thirty thousand, one hundred twenty-nine".