528065449 has 2 divisors, whose sum is σ = 528065450. Its totient is φ = 528065448.

The previous prime is 528065389. The next prime is 528065453. The reversal of 528065449 is 944560825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352688400 + 175377049 = 18780^2 + 13243^2 .

It is a cyclic number.

It is not a de Polignac number, because 528065449 - 2¹⁷ = 527934377 is a prime.

It is not a weakly prime, because it can be changed into another prime (528065459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264032724 + 264032725.

It is an arithmetic number, because the mean of its divisors is an integer number (264032725).

Almost surely, 2^528065449 is an apocalyptic number.

It is an amenable number.

528065449 is a deficient number, since it is larger than the sum of its proper divisors (1).

528065449 is an equidigital number, since it uses as much as digits as its factorization.

528065449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 528065449 is about 22979.6746930848. The cubic root of 528065449 is about 808.2813985929.

The spelling of 528065449 in words is "five hundred twenty-eight million, sixty-five thousand, four hundred forty-nine".