528625241 has 2 divisors, whose sum is σ = 528625242. Its totient is φ = 528625240.

The previous prime is 528625199. The next prime is 528625249. The reversal of 528625241 is 142526825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364657216 + 163968025 = 19096^2 + 12805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528625241 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (528625249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264312620 + 264312621.

It is an arithmetic number, because the mean of its divisors is an integer number (264312621).

Almost surely, 2^528625241 is an apocalyptic number.

It is an amenable number.

528625241 is a deficient number, since it is larger than the sum of its proper divisors (1).

528625241 is an equidigital number, since it uses as much as digits as its factorization.

528625241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 35.

The square root of 528625241 is about 22991.8516218246. The cubic root of 528625241 is about 808.5669122358.

The spelling of 528625241 in words is "five hundred twenty-eight million, six hundred twenty-five thousand, two hundred forty-one".