240825 has 36 divisors (see below), whose sum is σ = 453840. Its totient is φ = 112320.

The previous prime is 240811. The next prime is 240829. The reversal of 240825 is 528042.

It is not a de Polignac number, because 240825 - 2¹² = 236729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240829) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 12666 + ... + 12684.

2²⁴⁰⁸²⁵ is an apocalyptic number.

240825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240825 is a deficient number, since it is larger than the sum of its proper divisors (213015).

240825 is a wasteful number, since it uses less digits than its factorization.

240825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 240825 is about 490.7392382926. The cubic root of 240825 is about 62.2157760943.

Adding to 240825 its reverse (528042), we get a palindrome (768867).

The spelling of 240825 in words is "two hundred forty thousand, eight hundred twenty-five".