241766989 has 2 divisors, whose sum is σ = 241766990. Its totient is φ = 241766988.

The previous prime is 241766983. The next prime is 241767017. The reversal of 241766989 is 989667142.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140422500 + 101344489 = 11850^2 + 10067^2 .

It is a cyclic number.

It is not a de Polignac number, because 241766989 - 2⁵ = 241766957 is a prime.

It is a super-2 number, since 2×241766989² = 116902553940252242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241766983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120883494 + 120883495.

It is an arithmetic number, because the mean of its divisors is an integer number (120883495).

Almost surely, 2^241766989 is an apocalyptic number.

It is an amenable number.

241766989 is a deficient number, since it is larger than the sum of its proper divisors (1).

241766989 is an equidigital number, since it uses as much as digits as its factorization.

241766989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 241766989 is about 15548.8581252772. The cubic root of 241766989 is about 622.9678973347.

The spelling of 241766989 in words is "two hundred forty-one million, seven hundred sixty-six thousand, nine hundred eighty-nine".