241687 has 2 divisors, whose sum is σ = 241688. Its totient is φ = 241686.

The previous prime is 241679. The next prime is 241691. The reversal of 241687 is 786142.

241687 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 241687 - 2³ = 241679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120843 + 120844.

It is an arithmetic number, because the mean of its divisors is an integer number (120844).

2²⁴¹⁶⁸⁷ is an apocalyptic number.

241687 is a deficient number, since it is larger than the sum of its proper divisors (1).

241687 is an equidigital number, since it uses as much as digits as its factorization.

241687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 241687 is about 491.6167206270. The cubic root of 241687 is about 62.2899186444.

It can be divided in two parts, 24 and 1687, that added together give a triangular number (1711 = T₅₈).

The spelling of 241687 in words is "two hundred forty-one thousand, six hundred eighty-seven".