3291361 has 2 divisors, whose sum is σ = 3291362. Its totient is φ = 3291360.

The previous prime is 3291359. The next prime is 3291367. The reversal of 3291361 is 1631923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2954961 + 336400 = 1719^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 3291361 - 2¹ = 3291359 is a prime.

Together with 3291359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3291367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1645680 + 1645681.

It is an arithmetic number, because the mean of its divisors is an integer number (1645681).

Almost surely, 2^3291361 is an apocalyptic number.

It is an amenable number.

3291361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3291361 is an equidigital number, since it uses as much as digits as its factorization.

3291361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 25.

The square root of 3291361 is about 1814.2108477242. The cubic root of 3291361 is about 148.7505246786.

The spelling of 3291361 in words is "three million, two hundred ninety-one thousand, three hundred sixty-one".