1330028461 has 2 divisors, whose sum is σ = 1330028462. Its totient is φ = 1330028460.

The previous prime is 1330028449. The next prime is 1330028467. The reversal of 1330028461 is 1648200331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 782936361 + 547092100 = 27981^2 + 23390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330028461 - 2⁷ = 1330028333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330028467) 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 as a sum of consecutive naturals, namely, 665014230 + 665014231.

It is an arithmetic number, because the mean of its divisors is an integer number (665014231).

Almost surely, 2^1330028461 is an apocalyptic number.

It is an amenable number.

1330028461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330028461 is an equidigital number, since it uses as much as digits as its factorization.

1330028461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1330028461 is about 36469.5552618893. Note that the first 3 decimals coincide. The cubic root of 1330028461 is about 1099.7322932558.

Adding to 1330028461 its reverse (1648200331), we get a palindrome (2978228792).

The spelling of 1330028461 in words is "one billion, three hundred thirty million, twenty-eight thousand, four hundred sixty-one".