1003004161 has 2 divisors, whose sum is σ = 1003004162. Its totient is φ = 1003004160.

The previous prime is 1003004143. The next prime is 1003004173. The reversal of 1003004161 is 1614003001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 977187600 + 25816561 = 31260^2 + 5081^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003004161 - 2⁹ = 1003003649 is a prime.

It is a super-3 number, since 3×1003004161³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1003005161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501502080 + 501502081.

It is an arithmetic number, because the mean of its divisors is an integer number (501502081).

Almost surely, 2^1003004161 is an apocalyptic number.

It is an amenable number.

1003004161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003004161 is an equidigital number, since it uses as much as digits as its factorization.

1003004161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1003004161 is about 31670.2409368795. The cubic root of 1003004161 is about 1001.0003858943. Note that the first 3 decimals are identical.

Adding to 1003004161 its reverse (1614003001), we get a palindrome (2617007162).

The spelling of 1003004161 in words is "one billion, three million, four thousand, one hundred sixty-one".