240991541 has 16 divisors (see below), whose sum is σ = 296409600. Its totient is φ = 191220480.

The previous prime is 240991523. The next prime is 240991549. The reversal of 240991541 is 145199042.

It is a cyclic number.

It is not a de Polignac number, because 240991541 - 2¹⁸ = 240729397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240991549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9341 + ... + 23858.

It is an arithmetic number, because the mean of its divisors is an integer number (18525600).

Almost surely, 2^240991541 is an apocalyptic number.

It is an amenable number.

240991541 is a deficient number, since it is larger than the sum of its proper divisors (55418059).

240991541 is a wasteful number, since it uses less digits than its factorization.

240991541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33284.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 240991541 is about 15523.9022478242. The cubic root of 240991541 is about 622.3011443129.

The spelling of 240991541 in words is "two hundred forty million, nine hundred ninety-one thousand, five hundred forty-one".