3261373 has 2 divisors, whose sum is σ = 3261374. Its totient is φ = 3261372.

The previous prime is 3261371. The next prime is 3261397. The reversal of 3261373 is 3731623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3175524 + 85849 = 1782^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 3261373 - 2¹ = 3261371 is a prime.

Together with 3261371, it forms a pair of twin primes.

3261373 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3261371) 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, 1630686 + 1630687.

It is an arithmetic number, because the mean of its divisors is an integer number (1630687).

Almost surely, 2^3261373 is an apocalyptic number.

It is an amenable number.

3261373 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261373 is an equidigital number, since it uses as much as digits as its factorization.

3261373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 25.

The square root of 3261373 is about 1805.9271856861. The cubic root of 3261373 is about 148.2973841539.

Adding to 3261373 its reverse (3731623), we get a palindrome (6992996).

The spelling of 3261373 in words is "three million, two hundred sixty-one thousand, three hundred seventy-three".