525317 has 8 divisors (see below), whose sum is σ = 599256. Its totient is φ = 456192.

The previous prime is 525313. The next prime is 525353. The reversal of 525317 is 713525.

It can be written as a sum of positive squares in 4 ways, for example, as 43681 + 481636 = 209^2 + 694^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525317 - 2² = 525313 is a prime.

It is a d-powerful number, because it can be written as 5³ + 2¹⁹ + 3⁶ + 5³ + 1 + 7² .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525292 and 525301.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525317.

It is not an unprimeable number, because it can be changed into a prime (525313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (74907).

2⁵²⁵³¹⁷ is an apocalyptic number.

It is an amenable number.

525317 is a deficient number, since it is larger than the sum of its proper divisors (73939).

525317 is a wasteful number, since it uses less digits than its factorization.

525317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407.

The product of its digits is 1050, while the sum is 23.

The square root of 525317 is about 724.7875550808. The cubic root of 525317 is about 80.6876657607.

The spelling of 525317 in words is "five hundred twenty-five thousand, three hundred seventeen".