240507 has 6 divisors (see below), whose sum is σ = 347412. Its totient is φ = 160332.

The previous prime is 240503. The next prime is 240509. The reversal of 240507 is 705042.

It is a happy number.

It is not a de Polignac number, because 240507 - 2² = 240503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240507.

It is not an unprimeable number, because it can be changed into a prime (240503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13353 + ... + 13370.

It is an arithmetic number, because the mean of its divisors is an integer number (57902).

2²⁴⁰⁵⁰⁷ is an apocalyptic number.

240507 is a deficient number, since it is larger than the sum of its proper divisors (106905).

240507 is a wasteful number, since it uses less digits than its factorization.

240507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26729 (or 26726 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 240507 is about 490.4151302723. The cubic root of 240507 is about 62.1883795318.

Adding to 240507 its reverse (705042), we get a palindrome (945549).

It can be divided in two parts, 240 and 507, that added together give a palindrome (747).

The spelling of 240507 in words is "two hundred forty thousand, five hundred seven".