100501613 has 2 divisors, whose sum is σ = 100501614. Its totient is φ = 100501612.

The previous prime is 100501607. The next prime is 100501631. The reversal of 100501613 is 316105001.

Together with next prime (100501631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96864964 + 3636649 = 9842^2 + 1907^2 .

It is an emirp because it is prime and its reverse (316105001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100501613 - 2⁶ = 100501549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100501591 and 100501600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100501633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50250806 + 50250807.

It is an arithmetic number, because the mean of its divisors is an integer number (50250807).

Almost surely, 2^100501613 is an apocalyptic number.

It is an amenable number.

100501613 is a deficient number, since it is larger than the sum of its proper divisors (1).

100501613 is an equidigital number, since it uses as much as digits as its factorization.

100501613 is an evil number, because the sum of its binary digits is even.

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

The square root of 100501613 is about 10025.0492766869. The cubic root of 100501613 is about 464.9336830696.

Adding to 100501613 its reverse (316105001), we get a palindrome (416606614).

The spelling of 100501613 in words is "one hundred million, five hundred one thousand, six hundred thirteen".