1330453 has 2 divisors, whose sum is σ = 1330454. Its totient is φ = 1330452.

The previous prime is 1330423. The next prime is 1330487. The reversal of 1330453 is 3540331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 253009 = 1038^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330453 - 2⁹ = 1329941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1330453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665226 + 665227.

It is an arithmetic number, because the mean of its divisors is an integer number (665227).

2^1330453 is an apocalyptic number.

It is an amenable number.

1330453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330453 is an equidigital number, since it uses as much as digits as its factorization.

1330453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 1330453 is about 1153.4526431545. The cubic root of 1330453 is about 109.9849290647.

Adding to 1330453 its reverse (3540331), we get a palindrome (4870784).

The spelling of 1330453 in words is "one million, three hundred thirty thousand, four hundred fifty-three".