873242181 has 24 divisors (see below), whose sum is σ = 1504909440. Its totient is φ = 498994776.

The previous prime is 873242177. The next prime is 873242189. The reversal of 873242181 is 181242378.

It is not a de Polignac number, because 873242181 - 2² = 873242177 is a prime.

It is a super-2 number, since 2×873242181² = 1525103813355273522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873242189) 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 in 23 ways as a sum of consecutive naturals, for example, 328701 + ... + 331346.

It is an arithmetic number, because the mean of its divisors is an integer number (62704560).

Almost surely, 2^873242181 is an apocalyptic number.

It is an amenable number.

873242181 is a deficient number, since it is larger than the sum of its proper divisors (631667259).

873242181 is a wasteful number, since it uses less digits than its factorization.

873242181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660070 (or 660057 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 873242181 is about 29550.6714136921. The cubic root of 873242181 is about 955.8246692841.

The spelling of 873242181 in words is "eight hundred seventy-three million, two hundred forty-two thousand, one hundred eighty-one".