100005415 has 4 divisors (see below), whose sum is σ = 120006504. Its totient is φ = 80004328.

The previous prime is 100005397. The next prime is 100005421. The reversal of 100005415 is 514500001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514500001 = 59 ⋅8720339.

It is a cyclic number.

It is not a de Polignac number, because 100005415 - 2⁵ = 100005383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10000537 + ... + 10000546.

It is an arithmetic number, because the mean of its divisors is an integer number (30001626).

Almost surely, 2^100005415 is an apocalyptic number.

100005415 is a deficient number, since it is larger than the sum of its proper divisors (20001089).

100005415 is an equidigital number, since it uses as much as digits as its factorization.

100005415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001088.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 100005415 is about 10000.2707463348. The cubic root of 100005415 is about 464.1672612779.

Adding to 100005415 its reverse (514500001), we get a palindrome (614505416).

The spelling of 100005415 in words is "one hundred million, five thousand, four hundred fifteen".