1330204553 has 4 divisors (see below), whose sum is σ = 1343918100. Its totient is φ = 1316491008.

The previous prime is 1330204543. The next prime is 1330204583. The reversal of 1330204553 is 3554020331.

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 176039824 + 1154164729 = 13268^2 + 33973^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330204553 - 2⁸ = 1330204297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330204543) 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, 6856628 + ... + 6856821.

It is an arithmetic number, because the mean of its divisors is an integer number (335979525).

Almost surely, 2^1330204553 is an apocalyptic number.

It is an amenable number.

1330204553 is a deficient number, since it is larger than the sum of its proper divisors (13713547).

1330204553 is an equidigital number, since it uses as much as digits as its factorization.

1330204553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13713546.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1330204553 is about 36471.9694148808. The cubic root of 1330204553 is about 1099.7808249273.

Adding to 1330204553 its reverse (3554020331), we get a palindrome (4884224884).

The spelling of 1330204553 in words is "one billion, three hundred thirty million, two hundred four thousand, five hundred fifty-three".