100241489 has 2 divisors, whose sum is σ = 100241490. Its totient is φ = 100241488.

The previous prime is 100241461. The next prime is 100241543. The reversal of 100241489 is 984142001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60450625 + 39790864 = 7775^2 + 6308^2 .

It is a cyclic number.

It is not a de Polignac number, because 100241489 - 2⁸ = 100241233 is a prime.

It is a super-2 number, since 2×100241489² = 20096712233874242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100241419) 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, 50120744 + 50120745.

It is an arithmetic number, because the mean of its divisors is an integer number (50120745).

Almost surely, 2^100241489 is an apocalyptic number.

It is an amenable number.

100241489 is a deficient number, since it is larger than the sum of its proper divisors (1).

100241489 is an equidigital number, since it uses as much as digits as its factorization.

100241489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 100241489 is about 10012.0671691714. The cubic root of 100241489 is about 464.5322138869.

The spelling of 100241489 in words is "one hundred million, two hundred forty-one thousand, four hundred eighty-nine".