873485549 has 2 divisors, whose sum is σ = 873485550. Its totient is φ = 873485548.

The previous prime is 873485533. The next prime is 873485581. The reversal of 873485549 is 945584378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 856732900 + 16752649 = 29270^2 + 4093^2 .

It is a cyclic number.

It is not a de Polignac number, because 873485549 - 2⁴ = 873485533 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 873485549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873485519) 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, 436742774 + 436742775.

It is an arithmetic number, because the mean of its divisors is an integer number (436742775).

Almost surely, 2^873485549 is an apocalyptic number.

It is an amenable number.

873485549 is a deficient number, since it is larger than the sum of its proper divisors (1).

873485549 is an equidigital number, since it uses as much as digits as its factorization.

873485549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 53.

The square root of 873485549 is about 29554.7889351286. The cubic root of 873485549 is about 955.9134554715.

The spelling of 873485549 in words is "eight hundred seventy-three million, four hundred eighty-five thousand, five hundred forty-nine".