241009987 has 2 divisors, whose sum is σ = 241009988. Its totient is φ = 241009986.

The previous prime is 241009943. The next prime is 241009991. The reversal of 241009987 is 789900142.

241009987 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 a de Polignac number, because none of the positive numbers 2^k-241009987 is a prime.

It is not a weakly prime, because it can be changed into another prime (241009907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120504993 + 120504994.

It is an arithmetic number, because the mean of its divisors is an integer number (120504994).

Almost surely, 2^241009987 is an apocalyptic number.

241009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

241009987 is an equidigital number, since it uses as much as digits as its factorization.

241009987 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 40.

The square root of 241009987 is about 15524.4963525391. The cubic root of 241009987 is about 622.3170213212.

The spelling of 241009987 in words is "two hundred forty-one million, nine thousand, nine hundred eighty-seven".