52043281 has 2 divisors, whose sum is σ = 52043282. Its totient is φ = 52043280.

The previous prime is 52043269. The next prime is 52043291. The reversal of 52043281 is 18234025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46240000 + 5803281 = 6800^2 + 2409^2 .

It is a cyclic number.

It is not a de Polignac number, because 52043281 - 2¹³ = 52035089 is a prime.

It is a super-3 number, since 3×52043281³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (52043231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26021640 + 26021641.

It is an arithmetic number, because the mean of its divisors is an integer number (26021641).

Almost surely, 2^52043281 is an apocalyptic number.

It is an amenable number.

52043281 is a deficient number, since it is larger than the sum of its proper divisors (1).

52043281 is an equidigital number, since it uses as much as digits as its factorization.

52043281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 52043281 is about 7214.1029241341. The cubic root of 52043281 is about 373.3546426152.

The spelling of 52043281 in words is "fifty-two million, forty-three thousand, two hundred eighty-one".