1048331161 has 2 divisors, whose sum is σ = 1048331162. Its totient is φ = 1048331160.

The previous prime is 1048331147. The next prime is 1048331183. The reversal of 1048331161 is 1611338401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 733055625 + 315275536 = 27075^2 + 17756^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048331161 - 2¹⁷ = 1048200089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1048331761) 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, 524165580 + 524165581.

It is an arithmetic number, because the mean of its divisors is an integer number (524165581).

Almost surely, 2^1048331161 is an apocalyptic number.

It is an amenable number.

1048331161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048331161 is an equidigital number, since it uses as much as digits as its factorization.

1048331161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1048331161 is about 32377.9425072070. The cubic root of 1048331161 is about 1015.8575944958.

Adding to 1048331161 its reverse (1611338401), we get a palindrome (2659669562).

The spelling of 1048331161 in words is "one billion, forty-eight million, three hundred thirty-one thousand, one hundred sixty-one".