4361321 has 4 divisors (see below), whose sum is σ = 4367172. Its totient is φ = 4355472.

The previous prime is 4361311. The next prime is 4361323. The reversal of 4361321 is 1231634.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3279721 + 1081600 = 1811^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 4361321 - 2⁶ = 4361257 is a prime.

It is a super-2 number, since 2×4361321² = 38042241730082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4361293 and 4361302.

It is not an unprimeable number, because it can be changed into a prime (4361323) 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, 1610 + ... + 3363.

It is an arithmetic number, because the mean of its divisors is an integer number (1091793).

Almost surely, 2^4361321 is an apocalyptic number.

It is an amenable number.

4361321 is a deficient number, since it is larger than the sum of its proper divisors (5851).

4361321 is an equidigital number, since it uses as much as digits as its factorization.

4361321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850.

The product of its digits is 432, while the sum is 20.

The square root of 4361321 is about 2088.3775999565. The cubic root of 4361321 is about 163.3826807254.

Adding to 4361321 its reverse (1231634), we get a palindrome (5592955).

It can be divided in two parts, 43613 and 21, that added together give a palindrome (43634).

The spelling of 4361321 in words is "four million, three hundred sixty-one thousand, three hundred twenty-one".