100005293 has 4 divisors (see below), whose sum is σ = 100137468. Its totient is φ = 99873120.

The previous prime is 100005281. The next prime is 100005307. The reversal of 100005293 is 392500001.

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 36929929 + 63075364 = 6077^2 + 7942^2 .

It is a cyclic number.

It is not a de Polignac number, because 100005293 - 2¹⁶ = 99939757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100005263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64946 + ... + 66467.

It is an arithmetic number, because the mean of its divisors is an integer number (25034367).

Almost surely, 2^100005293 is an apocalyptic number.

It is an amenable number.

100005293 is a deficient number, since it is larger than the sum of its proper divisors (132175).

100005293 is an equidigital number, since it uses as much as digits as its factorization.

100005293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132174.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 100005293 is about 10000.2646464981. The cubic root of 100005293 is about 464.1670725267.

Adding to 100005293 its reverse (392500001), we get a palindrome (492505294).

The spelling of 100005293 in words is "one hundred million, five thousand, two hundred ninety-three".