4320553 has 8 divisors (see below), whose sum is σ = 4406400. Its totient is φ = 4235760.

The previous prime is 4320529. The next prime is 4320559. The reversal of 4320553 is 3550234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4320553 - 2⁵ = 4320521 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4320559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15808 + ... + 16078.

It is an arithmetic number, because the mean of its divisors is an integer number (550800).

Almost surely, 2^4320553 is an apocalyptic number.

It is an amenable number.

4320553 is a deficient number, since it is larger than the sum of its proper divisors (85847).

4320553 is a wasteful number, since it uses less digits than its factorization.

4320553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 4320553 is about 2078.5939959501. The cubic root of 4320553 is about 162.8720061110.

Adding to 4320553 its reverse (3550234), we get a palindrome (7870787).

The spelling of 4320553 in words is "four million, three hundred twenty thousand, five hundred fifty-three".