525017 has 2 divisors, whose sum is σ = 525018. Its totient is φ = 525016.

The previous prime is 525013. The next prime is 525029. The reversal of 525017 is 710525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524176 + 841 = 724^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 525017 - 2² = 525013 is a prime.

It is equal to p₄₃₄₄₅ and since 525017 and 43445 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525017.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525017.

It is not a weakly prime, because it can be changed into another prime (525013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262508 + 262509.

It is an arithmetic number, because the mean of its divisors is an integer number (262509).

2⁵²⁵⁰¹⁷ is an apocalyptic number.

It is an amenable number.

525017 is a deficient number, since it is larger than the sum of its proper divisors (1).

525017 is an equidigital number, since it uses as much as digits as its factorization.

525017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 525017 is about 724.5805683290. The cubic root of 525017 is about 80.6723030311.

The spelling of 525017 in words is "five hundred twenty-five thousand, seventeen".