1330528841 has 4 divisors (see below), whose sum is σ = 1330800000. Its totient is φ = 1330257684.

The previous prime is 1330528807. The next prime is 1330528861. The reversal of 1330528841 is 1488250331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1488250331 = 1033 ⋅1440707.

It is a cyclic number.

It is not a de Polignac number, because 1330528841 - 2¹⁸ = 1330266697 is a prime.

It is a super-3 number, since 3×1330528841³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1330528861) 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, 128081 + ... + 138078.

It is an arithmetic number, because the mean of its divisors is an integer number (332700000).

Almost surely, 2^1330528841 is an apocalyptic number.

It is an amenable number.

1330528841 is a deficient number, since it is larger than the sum of its proper divisors (271159).

1330528841 is an equidigital number, since it uses as much as digits as its factorization.

1330528841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271158.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1330528841 is about 36476.4148594678. The cubic root of 1330528841 is about 1099.8701888138.

The spelling of 1330528841 in words is "one billion, three hundred thirty million, five hundred twenty-eight thousand, eight hundred forty-one".