3152161 has 2 divisors, whose sum is σ = 3152162. Its totient is φ = 3152160.

The previous prime is 3152159. The next prime is 3152167. The reversal of 3152161 is 1612513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2421136 + 731025 = 1556^2 + 855^2 .

It is a cyclic number.

It is not a de Polignac number, because 3152161 - 2¹ = 3152159 is a prime.

It is a super-2 number, since 2×3152161² = 19872237939842, which contains 22 as substring.

Together with 3152159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3152167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1576080 + 1576081.

It is an arithmetic number, because the mean of its divisors is an integer number (1576081).

Almost surely, 2^3152161 is an apocalyptic number.

It is an amenable number.

3152161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3152161 is an equidigital number, since it uses as much as digits as its factorization.

3152161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 19.

The square root of 3152161 is about 1775.4326233344. The cubic root of 3152161 is about 146.6232349591.

Adding to 3152161 its reverse (1612513), we get a palindrome (4764674).

The spelling of 3152161 in words is "three million, one hundred fifty-two thousand, one hundred sixty-one".