52064281 has 2 divisors, whose sum is σ = 52064282. Its totient is φ = 52064280.

The previous prime is 52064273. The next prime is 52064303. The reversal of 52064281 is 18246025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42968025 + 9096256 = 6555^2 + 3016^2 .

It is a cyclic number.

It is not a de Polignac number, because 52064281 - 2³ = 52064273 is a prime.

It is a super-2 number, since 2×52064281² = 5421378712093922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52064231) 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, 26032140 + 26032141.

It is an arithmetic number, because the mean of its divisors is an integer number (26032141).

Almost surely, 2^52064281 is an apocalyptic number.

It is an amenable number.

52064281 is a deficient number, since it is larger than the sum of its proper divisors (1).

52064281 is an equidigital number, since it uses as much as digits as its factorization.

52064281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 52064281 is about 7215.5582597606. The cubic root of 52064281 is about 373.4048533437.

The spelling of 52064281 in words is "fifty-two million, sixty-four thousand, two hundred eighty-one".