853128953 has 2 divisors, whose sum is σ = 853128954. Its totient is φ = 853128952.

The previous prime is 853128929. The next prime is 853128961. The reversal of 853128953 is 359821358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 731864809 + 121264144 = 27053^2 + 11012^2 .

It is a cyclic number.

It is not a de Polignac number, because 853128953 - 2¹⁸ = 852866809 is a prime.

It is not a weakly prime, because it can be changed into another prime (853128923) 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, 426564476 + 426564477.

It is an arithmetic number, because the mean of its divisors is an integer number (426564477).

Almost surely, 2^853128953 is an apocalyptic number.

It is an amenable number.

853128953 is a deficient number, since it is larger than the sum of its proper divisors (1).

853128953 is an equidigital number, since it uses as much as digits as its factorization.

853128953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 853128953 is about 29208.3712829045. The cubic root of 853128953 is about 948.4291502511.

The spelling of 853128953 in words is "eight hundred fifty-three million, one hundred twenty-eight thousand, nine hundred fifty-three".