1045443253 has 2 divisors, whose sum is σ = 1045443254. Its totient is φ = 1045443252.

The previous prime is 1045443229. The next prime is 1045443257. The reversal of 1045443253 is 3523445401.

1045443253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 873911844 + 171531409 = 29562^2 + 13097^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045443253 - 2⁵ = 1045443221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045443257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522721626 + 522721627.

It is an arithmetic number, because the mean of its divisors is an integer number (522721627).

Almost surely, 2^1045443253 is an apocalyptic number.

It is an amenable number.

1045443253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045443253 is an equidigital number, since it uses as much as digits as its factorization.

1045443253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1045443253 is about 32333.3149089295. The cubic root of 1045443253 is about 1014.9239196536.

Adding to 1045443253 its reverse (3523445401), we get a palindrome (4568888654).

The spelling of 1045443253 in words is "one billion, forty-five million, four hundred forty-three thousand, two hundred fifty-three".