1004144173 has 2 divisors, whose sum is σ = 1004144174. Its totient is φ = 1004144172.

The previous prime is 1004144171. The next prime is 1004144177. The reversal of 1004144173 is 3714414001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 973252809 + 30891364 = 31197^2 + 5558^2 .

It is an emirp because it is prime and its reverse (3714414001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004144173 - 2¹ = 1004144171 is a prime.

Together with 1004144171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004144171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502072086 + 502072087.

It is an arithmetic number, because the mean of its divisors is an integer number (502072087).

Almost surely, 2^1004144173 is an apocalyptic number.

It is an amenable number.

1004144173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004144173 is an equidigital number, since it uses as much as digits as its factorization.

1004144173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1004144173 is about 31688.2339836098. The cubic root of 1004144173 is about 1001.3794871402.

Adding to 1004144173 its reverse (3714414001), we get a palindrome (4718558174).

The spelling of 1004144173 in words is "one billion, four million, one hundred forty-four thousand, one hundred seventy-three".