52840481 has 2 divisors, whose sum is σ = 52840482. Its totient is φ = 52840480.

The previous prime is 52840427. The next prime is 52840483. The reversal of 52840481 is 18404825.

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., 50410000 + 2430481 = 7100^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 52840481 - 2¹⁴ = 52824097 is a prime.

It is a super-2 number, since 2×52840481² = 5584232864622722, which contains 22 as substring.

Together with 52840483, 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 (52840483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26420240 + 26420241.

It is an arithmetic number, because the mean of its divisors is an integer number (26420241).

Almost surely, 2^52840481 is an apocalyptic number.

It is an amenable number.

52840481 is a deficient number, since it is larger than the sum of its proper divisors (1).

52840481 is an equidigital number, since it uses as much as digits as its factorization.

52840481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 52840481 is about 7269.1458232725. The cubic root of 52840481 is about 375.2513420201.

The spelling of 52840481 in words is "fifty-two million, eight hundred forty thousand, four hundred eighty-one".