528949717 has 2 divisors, whose sum is σ = 528949718. Its totient is φ = 528949716.

The previous prime is 528949711. The next prime is 528949741. The reversal of 528949717 is 717949825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351900081 + 177049636 = 18759^2 + 13306^2 .

It is a cyclic number.

It is not a de Polignac number, because 528949717 - 2³ = 528949709 is a prime.

It is a super-2 number, since 2×528949717² = 559575606228760178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528949711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264474858 + 264474859.

It is an arithmetic number, because the mean of its divisors is an integer number (264474859).

Almost surely, 2^528949717 is an apocalyptic number.

It is an amenable number.

528949717 is a deficient number, since it is larger than the sum of its proper divisors (1).

528949717 is an equidigital number, since it uses as much as digits as its factorization.

528949717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 52.

The square root of 528949717 is about 22998.9068653273. The cubic root of 528949717 is about 808.7323141598.

The spelling of 528949717 in words is "five hundred twenty-eight million, nine hundred forty-nine thousand, seven hundred seventeen".