3169261 has 2 divisors, whose sum is σ = 3169262. Its totient is φ = 3169260.

The previous prime is 3169247. The next prime is 3169273. The reversal of 3169261 is 1629613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1946025 + 1223236 = 1395^2 + 1106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3169261 is a prime.

It is a super-2 number, since 2×3169261² = 20088430572242, which contains 22 as substring.

3169261 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3169211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1584630 + 1584631.

It is an arithmetic number, because the mean of its divisors is an integer number (1584631).

Almost surely, 2^3169261 is an apocalyptic number.

It is an amenable number.

3169261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3169261 is an equidigital number, since it uses as much as digits as its factorization.

3169261 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 3169261 is about 1780.2418375041. The cubic root of 3169261 is about 146.8878933000.

The spelling of 3169261 in words is "three million, one hundred sixty-nine thousand, two hundred sixty-one".