240313987 has 2 divisors, whose sum is σ = 240313988. Its totient is φ = 240313986.

The previous prime is 240313979. The next prime is 240313993. The reversal of 240313987 is 789313042.

240313987 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 240313987 - 2³ = 240313979 is a prime.

It is not a weakly prime, because it can be changed into another prime (240313937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120156993 + 120156994.

It is an arithmetic number, because the mean of its divisors is an integer number (120156994).

Almost surely, 2^240313987 is an apocalyptic number.

240313987 is a deficient number, since it is larger than the sum of its proper divisors (1).

240313987 is an equidigital number, since it uses as much as digits as its factorization.

240313987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 240313987 is about 15502.0639593572. The cubic root of 240313987 is about 621.7173915952.

The spelling of 240313987 in words is "two hundred forty million, three hundred thirteen thousand, nine hundred eighty-seven".