525025 has 6 divisors (see below), whose sum is σ = 651062. Its totient is φ = 420000.

The previous prime is 525017. The next prime is 525029. The reversal of 525025 is 520525.

It can be written as a sum of positive squares in 3 ways, for example, as 5184 + 519841 = 72^2 + 721^2 .

It is not a de Polignac number, because 525025 - 2³ = 525017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 524993 and 525011.

It is not an unprimeable number, because it can be changed into a prime (525029) 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, 10476 + ... + 10525.

2⁵²⁵⁰²⁵ is an apocalyptic number.

It is an amenable number.

525025 is a deficient number, since it is larger than the sum of its proper divisors (126037).

525025 is a wasteful number, since it uses less digits than its factorization.

525025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011 (or 21006 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 525025 is about 724.5860887431. The cubic root of 525025 is about 80.6727127798.

Adding to 525025 its product of nonzero digits (500), we get a palindrome (525525).

The spelling of 525025 in words is "five hundred twenty-five thousand, twenty-five".