853348681 has 2 divisors, whose sum is σ = 853348682. Its totient is φ = 853348680.

The previous prime is 853348679. The next prime is 853348763. The reversal of 853348681 is 186843358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 552673081 + 300675600 = 23509^2 + 17340^2 .

It is a cyclic number.

It is not a de Polignac number, because 853348681 - 2¹ = 853348679 is a prime.

It is a super-2 number, since 2×853348681² = 1456407942728879522, which contains 22 as substring.

Together with 853348679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (853348781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426674340 + 426674341.

It is an arithmetic number, because the mean of its divisors is an integer number (426674341).

Almost surely, 2^853348681 is an apocalyptic number.

It is an amenable number.

853348681 is a deficient number, since it is larger than the sum of its proper divisors (1).

853348681 is an equidigital number, since it uses as much as digits as its factorization.

853348681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 46.

The square root of 853348681 is about 29212.1324281539. The cubic root of 853348681 is about 948.5105676229.

The spelling of 853348681 in words is "eight hundred fifty-three million, three hundred forty-eight thousand, six hundred eighty-one".