240554231 has 4 divisors (see below), whose sum is σ = 253215000. Its totient is φ = 227893464.

The previous prime is 240554213. The next prime is 240554243. The reversal of 240554231 is 132455042.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240554231 is a prime.

It is a super-2 number, since 2×240554231² = 115732676104002722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240554231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240554201) 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, 6330356 + ... + 6330393.

It is an arithmetic number, because the mean of its divisors is an integer number (63303750).

Almost surely, 2^240554231 is an apocalyptic number.

240554231 is a deficient number, since it is larger than the sum of its proper divisors (12660769).

240554231 is a wasteful number, since it uses less digits than its factorization.

240554231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12660768.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 240554231 is about 15509.8107983302. The cubic root of 240554231 is about 621.9245013700.

The spelling of 240554231 in words is "two hundred forty million, five hundred fifty-four thousand, two hundred thirty-one".