525775 has 6 divisors (see below), whose sum is σ = 651992. Its totient is φ = 420600.

The previous prime is 525773. The next prime is 525781. The reversal of 525775 is 577525.

It is not a de Polignac number, because 525775 - 2¹ = 525773 is a prime.

It is a d-powerful number, because it can be written as 5 + 2⁶ + 7⁵ + 5⁴ + 7⁶ + 5⁸ .

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10491 + ... + 10540.

2⁵²⁵⁷⁷⁵ is an apocalyptic number.

525775 is a deficient number, since it is larger than the sum of its proper divisors (126217).

525775 is a wasteful number, since it uses less digits than its factorization.

525775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21041 (or 21036 counting only the distinct ones).

The product of its digits is 12250, while the sum is 31.

The square root of 525775 is about 725.1034408965. The cubic root of 525775 is about 80.7111082512.

The spelling of 525775 in words is "five hundred twenty-five thousand, seven hundred seventy-five".