240525 has 18 divisors (see below), whose sum is σ = 431210. Its totient is φ = 128160.

The previous prime is 240517. The next prime is 240551. The reversal of 240525 is 525042.

It can be written as a sum of positive squares in 3 ways, for example, as 12996 + 227529 = 114^2 + 477^2 .

It is not a de Polignac number, because 240525 - 2³ = 240517 is a prime.

It is a Curzon number.

240525 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 240498 and 240507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 310 + ... + 759.

2²⁴⁰⁵²⁵ is an apocalyptic number.

240525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240525 is a deficient number, since it is larger than the sum of its proper divisors (190685).

240525 is a wasteful number, since it uses less digits than its factorization.

240525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 240525 is about 490.4334817282. The cubic root of 240525 is about 62.1899309252.

Adding to 240525 its reverse (525042), we get a palindrome (765567).

The spelling of 240525 in words is "two hundred forty thousand, five hundred twenty-five".