240985187 has 2 divisors, whose sum is σ = 240985188. Its totient is φ = 240985186.

The previous prime is 240985153. The next prime is 240985193. The reversal of 240985187 is 781589042.

240985187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240985187 - 2⁶ = 240985123 is a prime.

It is not a weakly prime, because it can be changed into another prime (240984187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120492593 + 120492594.

It is an arithmetic number, because the mean of its divisors is an integer number (120492594).

Almost surely, 2^240985187 is an apocalyptic number.

240985187 is a deficient number, since it is larger than the sum of its proper divisors (1).

240985187 is an equidigital number, since it uses as much as digits as its factorization.

240985187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 240985187 is about 15523.6975943233. The cubic root of 240985187 is about 622.2956750529.

The spelling of 240985187 in words is "two hundred forty million, nine hundred eighty-five thousand, one hundred eighty-seven".