873522289 has 2 divisors, whose sum is σ = 873522290. Its totient is φ = 873522288.

The previous prime is 873522263. The next prime is 873522323. The reversal of 873522289 is 982225378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 869778064 + 3744225 = 29492^2 + 1935^2 .

It is a cyclic number.

It is not a de Polignac number, because 873522289 - 2⁹ = 873521777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (873522229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436761144 + 436761145.

It is an arithmetic number, because the mean of its divisors is an integer number (436761145).

Almost surely, 2^873522289 is an apocalyptic number.

It is an amenable number.

873522289 is a deficient number, since it is larger than the sum of its proper divisors (1).

873522289 is an equidigital number, since it uses as much as digits as its factorization.

873522289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 873522289 is about 29555.4104860684. The cubic root of 873522289 is about 955.9268576272.

The spelling of 873522289 in words is "eight hundred seventy-three million, five hundred twenty-two thousand, two hundred eighty-nine".