52840331 has 2 divisors, whose sum is σ = 52840332. Its totient is φ = 52840330.

The previous prime is 52840313. The next prime is 52840343. The reversal of 52840331 is 13304825.

52840331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (52840313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52840331 is a prime.

It is a super-2 number, since 2×52840331² = 5584201160379122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52840331.

It is not a weakly prime, because it can be changed into another prime (52840351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26420165 + 26420166.

It is an arithmetic number, because the mean of its divisors is an integer number (26420166).

Almost surely, 2^52840331 is an apocalyptic number.

52840331 is a deficient number, since it is larger than the sum of its proper divisors (1).

52840331 is an equidigital number, since it uses as much as digits as its factorization.

52840331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 52840331 is about 7269.1355056843. The cubic root of 52840331 is about 375.2509869403.

The spelling of 52840331 in words is "fifty-two million, eight hundred forty thousand, three hundred thirty-one".