1000032161 has 2 divisors, whose sum is σ = 1000032162. Its totient is φ = 1000032160.

The previous prime is 1000032133. The next prime is 1000032167. The reversal of 1000032161 is 1612300001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 726625936 + 273406225 = 26956^2 + 16535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000032161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1000032167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500016080 + 500016081.

It is an arithmetic number, because the mean of its divisors is an integer number (500016081).

Almost surely, 2^1000032161 is an apocalyptic number.

It is an amenable number.

1000032161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000032161 is an equidigital number, since it uses as much as digits as its factorization.

1000032161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1000032161 is about 31623.2851076545. The cubic root of 1000032161 is about 1000.0107202184.

Adding to 1000032161 its reverse (1612300001), we get a palindrome (2612332162).

The spelling of 1000032161 in words is "one billion, thirty-two thousand, one hundred sixty-one".