241401389 has 2 divisors, whose sum is σ = 241401390. Its totient is φ = 241401388.

The previous prime is 241401383. The next prime is 241401401. The reversal of 241401389 is 983104142.

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., 240777289 + 624100 = 15517^2 + 790^2 .

It is a cyclic number.

It is not a de Polignac number, because 241401389 - 2²⁰ = 240352813 is a prime.

It is a super-2 number, since 2×241401389² = 116549261222258642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241401383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120700694 + 120700695.

It is an arithmetic number, because the mean of its divisors is an integer number (120700695).

Almost surely, 2^241401389 is an apocalyptic number.

It is an amenable number.

241401389 is a deficient number, since it is larger than the sum of its proper divisors (1).

241401389 is an equidigital number, since it uses as much as digits as its factorization.

241401389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 241401389 is about 15537.0971870552. The cubic root of 241401389 is about 622.6537215995.

The spelling of 241401389 in words is "two hundred forty-one million, four hundred one thousand, three hundred eighty-nine".