241851887 has 2 divisors, whose sum is σ = 241851888. Its totient is φ = 241851886.

The previous prime is 241851871. The next prime is 241851913. The reversal of 241851887 is 788158142.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 241851887 - 2⁴ = 241851871 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 (241851487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120925943 + 120925944.

It is an arithmetic number, because the mean of its divisors is an integer number (120925944).

Almost surely, 2^241851887 is an apocalyptic number.

241851887 is a deficient number, since it is larger than the sum of its proper divisors (1).

241851887 is an equidigital number, since it uses as much as digits as its factorization.

241851887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 143360, while the sum is 44.

The square root of 241851887 is about 15551.5879253535. The cubic root of 241851887 is about 623.0408085005.

The spelling of 241851887 in words is "two hundred forty-one million, eight hundred fifty-one thousand, eight hundred eighty-seven".