3321761 has 2 divisors, whose sum is σ = 3321762. Its totient is φ = 3321760.

The previous prime is 3321757. The next prime is 3321763. The reversal of 3321761 is 1671233.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2907025 + 414736 = 1705^2 + 644^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321761 - 2² = 3321757 is a prime.

It is a super-2 number, since 2×3321761² = 22068192282242, which contains 22 as substring.

Together with 3321763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3321763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660880 + 1660881.

It is an arithmetic number, because the mean of its divisors is an integer number (1660881).

Almost surely, 2^3321761 is an apocalyptic number.

It is an amenable number.

3321761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321761 is an equidigital number, since it uses as much as digits as its factorization.

3321761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 23.

The square root of 3321761 is about 1822.5698889206. The cubic root of 3321761 is about 149.2070900851.

Adding to 3321761 its reverse (1671233), we get a palindrome (4992994).

The spelling of 3321761 in words is "three million, three hundred twenty-one thousand, seven hundred sixty-one".