1330533497 has 2 divisors, whose sum is σ = 1330533498. Its totient is φ = 1330533496.

The previous prime is 1330533493. The next prime is 1330533511. The reversal of 1330533497 is 7943350331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1283144041 + 47389456 = 35821^2 + 6884^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330533497 - 2² = 1330533493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1330533497.

It is not a weakly prime, because it can be changed into another prime (1330533493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665266748 + 665266749.

It is an arithmetic number, because the mean of its divisors is an integer number (665266749).

Almost surely, 2^1330533497 is an apocalyptic number.

It is an amenable number.

1330533497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330533497 is an equidigital number, since it uses as much as digits as its factorization.

1330533497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 38.

The square root of 1330533497 is about 36476.4786814736. The cubic root of 1330533497 is about 1099.8714717597.

The spelling of 1330533497 in words is "one billion, three hundred thirty million, five hundred thirty-three thousand, four hundred ninety-seven".