100049 has 2 divisors, whose sum is σ = 100050. Its totient is φ = 100048.

The previous prime is 100043. The next prime is 100057. The reversal of 100049 is 940001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53824 + 46225 = 232^2 + 215^2 .

It is an emirp because it is prime and its reverse (940001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100049 - 2⁸ = 99793 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 100049.

It is not a weakly prime, because it can be changed into another prime (100043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50024 + 50025.

It is an arithmetic number, because the mean of its divisors is an integer number (50025).

2¹⁰⁰⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

100049 is a deficient number, since it is larger than the sum of its proper divisors (1).

100049 is an equidigital number, since it uses as much as digits as its factorization.

100049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 100049 is about 316.3052323311. The cubic root of 100049 is about 46.4234683600.

The spelling of 100049 in words is "one hundred thousand, forty-nine".