240725 has 6 divisors (see below), whose sum is σ = 298530. Its totient is φ = 192560.

The previous prime is 240719. The next prime is 240727. The reversal of 240725 is 527042.

It can be written as a sum of positive squares in 3 ways, for example, as 75076 + 165649 = 274^2 + 407^2 .

It is a de Polignac number, because none of the positive numbers 2^k-240725 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240697 and 240706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240727) 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, 4790 + ... + 4839.

It is an arithmetic number, because the mean of its divisors is an integer number (49755).

2²⁴⁰⁷²⁵ is an apocalyptic number.

240725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240725 is a deficient number, since it is larger than the sum of its proper divisors (57805).

240725 is an equidigital number, since it uses as much as digits as its factorization.

240725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9639 (or 9634 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 240725 is about 490.6373406091. The cubic root of 240725 is about 62.2071634240.

Adding to 240725 its reverse (527042), we get a palindrome (767767).

The spelling of 240725 in words is "two hundred forty thousand, seven hundred twenty-five".