240361 has 4 divisors (see below), whose sum is σ = 262224. Its totient is φ = 218500.

The previous prime is 240353. The next prime is 240371. The reversal of 240361 is 163042.

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 240361 - 2³ = 240353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240341) 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, 10915 + ... + 10936.

It is an arithmetic number, because the mean of its divisors is an integer number (65556).

2²⁴⁰³⁶¹ is an apocalyptic number.

It is an amenable number.

240361 is a deficient number, since it is larger than the sum of its proper divisors (21863).

240361 is a wasteful number, since it uses less digits than its factorization.

240361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21862.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 240361 is about 490.2662541926. The cubic root of 240361 is about 62.1757931466.

The spelling of 240361 in words is "two hundred forty thousand, three hundred sixty-one".