100501361 has 4 divisors (see below), whose sum is σ = 103217652. Its totient is φ = 97785072.

The previous prime is 100501339. The next prime is 100501391. The reversal of 100501361 is 163105001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68227600 + 32273761 = 8260^2 + 5681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100501361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100501321) 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 in 3 ways as a sum of consecutive naturals, for example, 1358090 + ... + 1358163.

It is an arithmetic number, because the mean of its divisors is an integer number (25804413).

Almost surely, 2^100501361 is an apocalyptic number.

It is an amenable number.

100501361 is a deficient number, since it is larger than the sum of its proper divisors (2716291).

100501361 is an equidigital number, since it uses as much as digits as its factorization.

100501361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716290.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 100501361 is about 10025.0367081622. The cubic root of 100501361 is about 464.9332944742.

Adding to 100501361 its reverse (163105001), we get a palindrome (263606362).

It can be divided in two parts, 10050 and 1361, that added together give a palindrome (11411).

The spelling of 100501361 in words is "one hundred million, five hundred one thousand, three hundred sixty-one".