1053454243 has 2 divisors, whose sum is σ = 1053454244. Its totient is φ = 1053454242.

The previous prime is 1053454231. The next prime is 1053454271. The reversal of 1053454243 is 3424543501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053454243 is a prime.

It is a super-2 number, since 2×1053454243² = 2219531684189406098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1053454223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526727121 + 526727122.

It is an arithmetic number, because the mean of its divisors is an integer number (526727122).

Almost surely, 2^1053454243 is an apocalyptic number.

1053454243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053454243 is an equidigital number, since it uses as much as digits as its factorization.

1053454243 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 1053454243 is about 32456.9598545520. The cubic root of 1053454243 is about 1017.5097019079.

Adding to 1053454243 its reverse (3424543501), we get a palindrome (4477997744).

The spelling of 1053454243 in words is "one billion, fifty-three million, four hundred fifty-four thousand, two hundred forty-three".