525115 has 4 divisors (see below), whose sum is σ = 630144. Its totient is φ = 420088.

The previous prime is 525101. The next prime is 525127. The reversal of 525115 is 511525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525115 - 2¹⁹ = 827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525092 and 525101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52507 + ... + 52516.

It is an arithmetic number, because the mean of its divisors is an integer number (157536).

2⁵²⁵¹¹⁵ is an apocalyptic number.

525115 is a deficient number, since it is larger than the sum of its proper divisors (105029).

525115 is a wasteful number, since it uses less digits than its factorization.

525115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105028.

The product of its digits is 250, while the sum is 19.

The square root of 525115 is about 724.6481905035. The cubic root of 525115 is about 80.6773221663.

The spelling of 525115 in words is "five hundred twenty-five thousand, one hundred fifteen".