1330553 has 8 divisors (see below), whose sum is σ = 1543872. Its totient is φ = 1123056.

The previous prime is 1330547. The next prime is 1330559. The reversal of 1330553 is 3550331.

It is an interprime number because it is at equal distance from previous prime (1330547) and next prime (1330559).

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 1330553 - 2¹⁰ = 1329529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1330559) 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, 950 + ... + 1887.

It is an arithmetic number, because the mean of its divisors is an integer number (192984).

2^1330553 is an apocalyptic number.

It is an amenable number.

1330553 is a deficient number, since it is larger than the sum of its proper divisors (213319).

1330553 is an equidigital number, since it uses as much as digits as its factorization.

1330553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 1330553 is about 1153.4959904568. The cubic root of 1330553 is about 109.9876845716.

Adding to 1330553 its reverse (3550331), we get a palindrome (4880884).

The spelling of 1330553 in words is "one million, three hundred thirty thousand, five hundred fifty-three".