1331352553 has 8 divisors (see below), whose sum is σ = 1413828000. Its totient is φ = 1250117568.

The previous prime is 1331352521. The next prime is 1331352613. The reversal of 1331352553 is 3552531331.

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 1331352553 - 2⁵ = 1331352521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331352053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307903 + ... + 312196.

It is an arithmetic number, because the mean of its divisors is an integer number (176728500).

Almost surely, 2^1331352553 is an apocalyptic number.

It is an amenable number.

1331352553 is a deficient number, since it is larger than the sum of its proper divisors (82475447).

1331352553 is a wasteful number, since it uses less digits than its factorization.

1331352553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620231.

The product of its digits is 20250, while the sum is 31.

The square root of 1331352553 is about 36487.7041344067. The cubic root of 1331352553 is about 1100.0971134647.

Adding to 1331352553 its reverse (3552531331), we get a palindrome (4883883884).

The spelling of 1331352553 in words is "one billion, three hundred thirty-one million, three hundred fifty-two thousand, five hundred fifty-three".