240481 has 4 divisors (see below), whose sum is σ = 242964. Its totient is φ = 238000.

The previous prime is 240479. The next prime is 240491. The reversal of 240481 is 184042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99856 + 140625 = 316^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 240481 - 2¹ = 240479 is a prime.

It is a super-2 number, since 2×240481² = 115662222722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090 + ... + 1291.

It is an arithmetic number, because the mean of its divisors is an integer number (60741).

2²⁴⁰⁴⁸¹ is an apocalyptic number.

It is an amenable number.

240481 is a deficient number, since it is larger than the sum of its proper divisors (2483).

240481 is a wasteful number, since it uses less digits than its factorization.

240481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 240481 is about 490.3886214014. The cubic root of 240481 is about 62.1861384936.

It can be divided in two parts, 2404 and 81, that added together give a triangular number (2485 = T₇₀).

The spelling of 240481 in words is "two hundred forty thousand, four hundred eighty-one".