240554 has 4 divisors (see below), whose sum is σ = 360834. Its totient is φ = 120276.

The previous prime is 240551. The next prime is 240571. The reversal of 240554 is 455042.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 235225 + 5329 = 485^2 + 73^2 .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 240554.

It is not an unprimeable number, because it can be changed into a prime (240551) 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 as a sum of consecutive naturals, namely, 60137 + ... + 60140.

2²⁴⁰⁵⁵⁴ is an apocalyptic number.

240554 is a deficient number, since it is larger than the sum of its proper divisors (120280).

240554 is a wasteful number, since it uses less digits than its factorization.

240554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120279.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 240554 is about 490.4630465183. The cubic root of 240554 is about 62.1924302296.

Adding to 240554 its reverse (455042), we get a palindrome (695596).

The spelling of 240554 in words is "two hundred forty thousand, five hundred fifty-four".