100348609 has 4 divisors (see below), whose sum is σ = 104711616. Its totient is φ = 95985604.

The previous prime is 100348601. The next prime is 100348621. The reversal of 100348609 is 906843001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 906843001 = 19 ⋅47728579.

It is a cyclic number.

It is not a de Polignac number, because 100348609 - 2³ = 100348601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100348601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2181469 + ... + 2181514.

It is an arithmetic number, because the mean of its divisors is an integer number (26177904).

Almost surely, 2^100348609 is an apocalyptic number.

It is an amenable number.

100348609 is a deficient number, since it is larger than the sum of its proper divisors (4363007).

100348609 is an equidigital number, since it uses as much as digits as its factorization.

100348609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363006.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 100348609 is about 10017.4152853917. The cubic root of 100348609 is about 464.6976243594.

The spelling of 100348609 in words is "one hundred million, three hundred forty-eight thousand, six hundred nine".