1330050521 has 4 divisors (see below), whose sum is σ = 1400053200. Its totient is φ = 1260047844.

The previous prime is 1330050493. The next prime is 1330050523. The reversal of 1330050521 is 1250500331.

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.

It is a cyclic number.

It is not a de Polignac number, because 1330050521 - 2⁶ = 1330050457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330050493 and 1330050502.

It is not an unprimeable number, because it can be changed into a prime (1330050523) 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 3 ways as a sum of consecutive naturals, for example, 35001311 + ... + 35001348.

It is an arithmetic number, because the mean of its divisors is an integer number (350013300).

Almost surely, 2^1330050521 is an apocalyptic number.

It is an amenable number.

1330050521 is a deficient number, since it is larger than the sum of its proper divisors (70002679).

1330050521 is an equidigital number, since it uses as much as digits as its factorization.

1330050521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70002678.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1330050521 is about 36469.8577046854. The cubic root of 1330050521 is about 1099.7383733162.

Adding to 1330050521 its reverse (1250500331), we get a palindrome (2580550852).

The spelling of 1330050521 in words is "one billion, three hundred thirty million, fifty thousand, five hundred twenty-one".