1303143053 has 2 divisors, whose sum is σ = 1303143054. Its totient is φ = 1303143052.

The previous prime is 1303143047. The next prime is 1303143097. The reversal of 1303143053 is 3503413031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786353764 + 516789289 = 28042^2 + 22733^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303143053 - 2²⁴ = 1286365837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303143353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651571526 + 651571527.

It is an arithmetic number, because the mean of its divisors is an integer number (651571527).

Almost surely, 2^1303143053 is an apocalyptic number.

It is an amenable number.

1303143053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303143053 is an equidigital number, since it uses as much as digits as its factorization.

1303143053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1303143053 is about 36099.0727443241. The cubic root of 1303143053 is about 1092.2717407179.

Adding to 1303143053 its reverse (3503413031), we get a palindrome (4806556084).

The spelling of 1303143053 in words is "one billion, three hundred three million, one hundred forty-three thousand, fifty-three".