853443053 has 2 divisors, whose sum is σ = 853443054. Its totient is φ = 853443052.

The previous prime is 853443043. The next prime is 853443067. The reversal of 853443053 is 350344358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 845530084 + 7912969 = 29078^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 853443053 - 2⁸ = 853442797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853443043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426721526 + 426721527.

It is an arithmetic number, because the mean of its divisors is an integer number (426721527).

Almost surely, 2^853443053 is an apocalyptic number.

It is an amenable number.

853443053 is a deficient number, since it is larger than the sum of its proper divisors (1).

853443053 is an equidigital number, since it uses as much as digits as its factorization.

853443053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 853443053 is about 29213.7476712592. The cubic root of 853443053 is about 948.5455316580.

The spelling of 853443053 in words is "eight hundred fifty-three million, four hundred forty-three thousand, fifty-three".