52843381 has 2 divisors, whose sum is σ = 52843382. Its totient is φ = 52843380.

The previous prime is 52843339. The next prime is 52843421. The reversal of 52843381 is 18334825.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41486481 + 11356900 = 6441^2 + 3370^2 .

It is a cyclic number.

It is not a de Polignac number, because 52843381 - 2⁷ = 52843253 is a prime.

It is a super-2 number, since 2×52843381² = 5584845831022322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52843321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26421690 + 26421691.

It is an arithmetic number, because the mean of its divisors is an integer number (26421691).

Almost surely, 2^52843381 is an apocalyptic number.

It is an amenable number.

52843381 is a deficient number, since it is larger than the sum of its proper divisors (1).

52843381 is an equidigital number, since it uses as much as digits as its factorization.

52843381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 52843381 is about 7269.3452937661. The cubic root of 52843381 is about 375.2582067632.

The spelling of 52843381 in words is "fifty-two million, eight hundred forty-three thousand, three hundred eighty-one".