3161629 has 2 divisors, whose sum is σ = 3161630. Its totient is φ = 3161628.

The previous prime is 3161617. The next prime is 3161647. The reversal of 3161629 is 9261613.

3161629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2181529 + 980100 = 1477^2 + 990^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161629 - 2²¹ = 1064477 is a prime.

3161629 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3161597 and 3161606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3161689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580814 + 1580815.

It is an arithmetic number, because the mean of its divisors is an integer number (1580815).

Almost surely, 2^3161629 is an apocalyptic number.

It is an amenable number.

3161629 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161629 is an equidigital number, since it uses as much as digits as its factorization.

3161629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The square root of 3161629 is about 1778.0970164758. The cubic root of 3161629 is about 146.7698900299.

The spelling of 3161629 in words is "three million, one hundred sixty-one thousand, six hundred twenty-nine".