3258161 has 2 divisors, whose sum is σ = 3258162. Its totient is φ = 3258160.

The previous prime is 3258149. The next prime is 3258163. The reversal of 3258161 is 1618523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2383936 + 874225 = 1544^2 + 935^2 .

It is a cyclic number.

It is not a de Polignac number, because 3258161 - 2⁶ = 3258097 is a prime.

It is a super-2 number, since 2×3258161² = 21231226203842, which contains 22 as substring.

Together with 3258163, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 3258161.

It is not a weakly prime, because it can be changed into another prime (3258163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1629080 + 1629081.

It is an arithmetic number, because the mean of its divisors is an integer number (1629081).

Almost surely, 2^3258161 is an apocalyptic number.

It is an amenable number.

3258161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3258161 is an equidigital number, since it uses as much as digits as its factorization.

3258161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 3258161 is about 1805.0376727371. The cubic root of 3258161 is about 148.2486840454.

The spelling of 3258161 in words is "three million, two hundred fifty-eight thousand, one hundred sixty-one".