3214561 has 4 divisors (see below), whose sum is σ = 3673792. Its totient is φ = 2755332.

The previous prime is 3214559. The next prime is 3214567. The reversal of 3214561 is 1654123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3214561 - 2¹ = 3214559 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3214567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229605 + ... + 229618.

It is an arithmetic number, because the mean of its divisors is an integer number (918448).

Almost surely, 2^3214561 is an apocalyptic number.

It is an amenable number.

3214561 is a deficient number, since it is larger than the sum of its proper divisors (459231).

3214561 is an equidigital number, since it uses as much as digits as its factorization.

3214561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459230.

The product of its digits is 720, while the sum is 22.

The square root of 3214561 is about 1792.9196858755. The cubic root of 3214561 is about 147.5844350427.

Adding to 3214561 its reverse (1654123), we get a palindrome (4868684).

The spelling of 3214561 in words is "three million, two hundred fourteen thousand, five hundred sixty-one".