525117 has 4 divisors (see below), whose sum is σ = 700160. Its totient is φ = 350076.

The previous prime is 525101. The next prime is 525127. The reversal of 525117 is 711525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 525117 - 2⁴ = 525101 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525093 and 525102.

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 525117.

It is not an unprimeable number, because it can be changed into a prime (525127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87517 + ... + 87522.

It is an arithmetic number, because the mean of its divisors is an integer number (175040).

2⁵²⁵¹¹⁷ is an apocalyptic number.

It is an amenable number.

525117 is a deficient number, since it is larger than the sum of its proper divisors (175043).

525117 is a wasteful number, since it uses less digits than its factorization.

525117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175042.

The product of its digits is 350, while the sum is 21.

The square root of 525117 is about 724.6495704822. The cubic root of 525117 is about 80.6774245911.

It can be divided in two parts, 525 and 117, that multiplied together give a triangular number (61425 = T₃₅₀).

The spelling of 525117 in words is "five hundred twenty-five thousand, one hundred seventeen".