528474281 has 2 divisors, whose sum is σ = 528474282. Its totient is φ = 528474280.

The previous prime is 528474277. The next prime is 528474283. The reversal of 528474281 is 182474825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514155625 + 14318656 = 22675^2 + 3784^2 .

It is a cyclic number.

It is not a de Polignac number, because 528474281 - 2² = 528474277 is a prime.

It is a super-2 number, since 2×528474281² = 558570131356933922, which contains 22 as substring.

Together with 528474283, 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 (528474283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264237140 + 264237141.

It is an arithmetic number, because the mean of its divisors is an integer number (264237141).

Almost surely, 2^528474281 is an apocalyptic number.

It is an amenable number.

528474281 is a deficient number, since it is larger than the sum of its proper divisors (1).

528474281 is an equidigital number, since it uses as much as digits as its factorization.

528474281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 143360, while the sum is 41.

The square root of 528474281 is about 22988.5684852276. The cubic root of 528474281 is about 808.4899371739.

The spelling of 528474281 in words is "five hundred twenty-eight million, four hundred seventy-four thousand, two hundred eighty-one".