3161693 has 2 divisors, whose sum is σ = 3161694. Its totient is φ = 3161692.

The previous prime is 3161689. The next prime is 3161707. The reversal of 3161693 is 3961613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3003289 + 158404 = 1733^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161693 - 2² = 3161689 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3161293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580846 + 1580847.

It is an arithmetic number, because the mean of its divisors is an integer number (1580847).

Almost surely, 2^3161693 is an apocalyptic number.

It is an amenable number.

3161693 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161693 is an equidigital number, since it uses as much as digits as its factorization.

3161693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 29.

The square root of 3161693 is about 1778.1150131530. The cubic root of 3161693 is about 146.7708803643.

The spelling of 3161693 in words is "three million, one hundred sixty-one thousand, six hundred ninety-three".