52901281 has 2 divisors, whose sum is σ = 52901282. Its totient is φ = 52901280.

The previous prime is 52901279. The next prime is 52901291. The reversal of 52901281 is 18210925.

52901281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52635025 + 266256 = 7255^2 + 516^2 .

It is a cyclic number.

It is not a de Polignac number, because 52901281 - 2¹ = 52901279 is a prime.

It is a super-2 number, since 2×52901281² = 5597091062881922, which contains 22 as substring.

Together with 52901279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52901201) 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, 26450640 + 26450641.

It is an arithmetic number, because the mean of its divisors is an integer number (26450641).

Almost surely, 2^52901281 is an apocalyptic number.

It is an amenable number.

52901281 is a deficient number, since it is larger than the sum of its proper divisors (1).

52901281 is an equidigital number, since it uses as much as digits as its factorization.

52901281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 52901281 is about 7273.3266804125. The cubic root of 52901281 is about 375.3952123765.

The spelling of 52901281 in words is "fifty-two million, nine hundred one thousand, two hundred eighty-one".