240761 has 4 divisors (see below), whose sum is σ = 244224. Its totient is φ = 237300.

The previous prime is 240743. The next prime is 240763. The reversal of 240761 is 167042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240761 - 2¹⁰ = 239737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240763) 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 3 ways as a sum of consecutive naturals, for example, 1625 + ... + 1766.

It is an arithmetic number, because the mean of its divisors is an integer number (61056).

2²⁴⁰⁷⁶¹ is an apocalyptic number.

It is an amenable number.

240761 is a deficient number, since it is larger than the sum of its proper divisors (3463).

240761 is an equidigital number, since it uses as much as digits as its factorization.

240761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 240761 is about 490.6740262129. The cubic root of 240761 is about 62.2102642601.

It can be divided in two parts, 240 and 761, that added together give a palindrome (1001).

The spelling of 240761 in words is "two hundred forty thousand, seven hundred sixty-one".