240284591 has 2 divisors, whose sum is σ = 240284592. Its totient is φ = 240284590.

The previous prime is 240284587. The next prime is 240284651. The reversal of 240284591 is 195482042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240284591 - 2² = 240284587 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240284581) 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 as a sum of consecutive naturals, namely, 120142295 + 120142296.

It is an arithmetic number, because the mean of its divisors is an integer number (120142296).

Almost surely, 2^240284591 is an apocalyptic number.

240284591 is a deficient number, since it is larger than the sum of its proper divisors (1).

240284591 is an equidigital number, since it uses as much as digits as its factorization.

240284591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 240284591 is about 15501.1157985482. The cubic root of 240284591 is about 621.6920403871.

The spelling of 240284591 in words is "two hundred forty million, two hundred eighty-four thousand, five hundred ninety-one".