853383161 has 2 divisors, whose sum is σ = 853383162. Its totient is φ = 853383160.

The previous prime is 853383109. The next prime is 853383163. The reversal of 853383161 is 161383358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 830534761 + 22848400 = 28819^2 + 4780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853383161 is a prime.

Together with 853383163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (853383163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426691580 + 426691581.

It is an arithmetic number, because the mean of its divisors is an integer number (426691581).

Almost surely, 2^853383161 is an apocalyptic number.

It is an amenable number.

853383161 is a deficient number, since it is larger than the sum of its proper divisors (1).

853383161 is an equidigital number, since it uses as much as digits as its factorization.

853383161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 853383161 is about 29212.7225879410. The cubic root of 853383161 is about 948.5233424728.

The spelling of 853383161 in words is "eight hundred fifty-three million, three hundred eighty-three thousand, one hundred sixty-one".