1330633 has 2 divisors, whose sum is σ = 1330634. Its totient is φ = 1330632.

The previous prime is 1330621. The next prime is 1330649. The reversal of 1330633 is 3360331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247689 + 82944 = 1117^2 + 288^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330633 - 2⁵ = 1330601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1330633.

It is not a weakly prime, because it can be changed into another prime (1330603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665316 + 665317.

It is an arithmetic number, because the mean of its divisors is an integer number (665317).

2^1330633 is an apocalyptic number.

It is an amenable number.

1330633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330633 is an equidigital number, since it uses as much as digits as its factorization.

1330633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 1330633 is about 1153.5306671259. The cubic root of 1330633 is about 109.9898888778.

Adding to 1330633 its reverse (3360331), we get a palindrome (4690964).

The spelling of 1330633 in words is "one million, three hundred thirty thousand, six hundred thirty-three".