100547 has 2 divisors, whose sum is σ = 100548. Its totient is φ = 100546.

The previous prime is 100537. The next prime is 100549. The reversal of 100547 is 745001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (745001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100547 - 2⁶ = 100483 is a prime.

Together with 100549, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (100549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50273 + 50274.

It is an arithmetic number, because the mean of its divisors is an integer number (50274).

2¹⁰⁰⁵⁴⁷ is an apocalyptic number.

100547 is a deficient number, since it is larger than the sum of its proper divisors (1).

100547 is an equidigital number, since it uses as much as digits as its factorization.

100547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 100547 is about 317.0914694532. The cubic root of 100547 is about 46.5003661281.

Adding to 100547 its reverse (745001), we get a palindrome (845548).

The spelling of 100547 in words is "one hundred thousand, five hundred forty-seven".