525129 has 8 divisors (see below), whose sum is σ = 763872. Its totient is φ = 318240.

The previous prime is 525127. The next prime is 525137. The reversal of 525129 is 921525.

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

It is not a de Polignac number, because 525129 - 2¹ = 525127 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 525099 and 525108.

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 7 ways as a sum of consecutive naturals, for example, 7924 + ... + 7989.

It is an arithmetic number, because the mean of its divisors is an integer number (95484).

2⁵²⁵¹²⁹ is an apocalyptic number.

It is an amenable number.

525129 is a deficient number, since it is larger than the sum of its proper divisors (238743).

525129 is a wasteful number, since it uses less digits than its factorization.

525129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15927.

The product of its digits is 900, while the sum is 24.

The square root of 525129 is about 724.6578502990. The cubic root of 525129 is about 80.6780391346.

The spelling of 525129 in words is "five hundred twenty-five thousand, one hundred twenty-nine".