525945 has 16 divisors (see below), whose sum is σ = 961920. Its totient is φ = 240384.

The previous prime is 525937. The next prime is 525947. The reversal of 525945 is 549525.

It is a happy number.

It is not a de Polignac number, because 525945 - 2³ = 525937 is a prime.

525945 is a modest number, since divided by 945 gives 525 as remainder.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525945.

It is not an unprimeable number, because it can be changed into a prime (525947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2400 + ... + 2609.

It is an arithmetic number, because the mean of its divisors is an integer number (60120).

2⁵²⁵⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

525945 is a deficient number, since it is larger than the sum of its proper divisors (435975).

525945 is a wasteful number, since it uses less digits than its factorization.

525945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024.

The product of its digits is 9000, while the sum is 30.

The square root of 525945 is about 725.2206560765. The cubic root of 525945 is about 80.7198061479.

The spelling of 525945 in words is "five hundred twenty-five thousand, nine hundred forty-five".