241859851 has 2 divisors, whose sum is σ = 241859852. Its totient is φ = 241859850.

The previous prime is 241859831. The next prime is 241859887. The reversal of 241859851 is 158958142.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 241859851 - 2⁹ = 241859339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 241859798 and 241859807.

It is not a weakly prime, because it can be changed into another prime (241859801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120929925 + 120929926.

It is an arithmetic number, because the mean of its divisors is an integer number (120929926).

Almost surely, 2^241859851 is an apocalyptic number.

241859851 is a deficient number, since it is larger than the sum of its proper divisors (1).

241859851 is an equidigital number, since it uses as much as digits as its factorization.

241859851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 43.

The square root of 241859851 is about 15551.8439742688. The cubic root of 241859851 is about 623.0476471798.

The spelling of 241859851 in words is "two hundred forty-one million, eight hundred fifty-nine thousand, eight hundred fifty-one".