1000328453 has 2 divisors, whose sum is σ = 1000328454. Its totient is φ = 1000328452.

The previous prime is 1000328437. The next prime is 1000328471. The reversal of 1000328453 is 3548230001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 868009444 + 132319009 = 29462^2 + 11503^2 .

It is an emirp because it is prime and its reverse (3548230001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000328453 - 2⁴ = 1000328437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000328753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500164226 + 500164227.

It is an arithmetic number, because the mean of its divisors is an integer number (500164227).

Almost surely, 2^1000328453 is an apocalyptic number.

It is an amenable number.

1000328453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000328453 is an equidigital number, since it uses as much as digits as its factorization.

1000328453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1000328453 is about 31627.9694732368. The cubic root of 1000328453 is about 1000.1094723487.

Adding to 1000328453 its reverse (3548230001), we get a palindrome (4548558454).

The spelling of 1000328453 in words is "one billion, three hundred twenty-eight thousand, four hundred fifty-three".