1330252533 has 48 divisors (see below), whose sum is σ = 2118046320. Its totient is φ = 800765952.

The previous prime is 1330252489. The next prime is 1330252571. The reversal of 1330252533 is 3352520331.

1330252533 is a `hidden beast` number, since 133 + 0 + 2 + 525 + 3 + 3 = 666.

1330252533 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 175748049 + 1154504484 = 13257^2 + 33978^2 .

It is not a de Polignac number, because 1330252533 - 2²⁹ = 793381621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1330252497 and 1330252506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330252433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 766735 + ... + 768467.

It is an arithmetic number, because the mean of its divisors is an integer number (44125965).

Almost surely, 2^1330252533 is an apocalyptic number.

It is an amenable number.

1330252533 is a deficient number, since it is larger than the sum of its proper divisors (787793787).

1330252533 is a wasteful number, since it uses less digits than its factorization.

1330252533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1955 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 1330252533 is about 36472.6271743619. The cubic root of 1330252533 is about 1099.7940476680.

Adding to 1330252533 its reverse (3352520331), we get a palindrome (4682772864).

The spelling of 1330252533 in words is "one billion, three hundred thirty million, two hundred fifty-two thousand, five hundred thirty-three".