104100613 has 4 divisors (see below), whose sum is σ = 104121088. Its totient is φ = 104080140.

The previous prime is 104100589. The next prime is 104100631. The reversal of 104100613 is 316001401.

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: 316001401 = 2539 ⋅124459.

It is a cyclic number.

It is not a de Polignac number, because 104100613 - 2¹³ = 104092421 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 (104100643) 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, 3868 + ... + 14938.

It is an arithmetic number, because the mean of its divisors is an integer number (26030272).

Almost surely, 2^104100613 is an apocalyptic number.

It is an amenable number.

104100613 is a deficient number, since it is larger than the sum of its proper divisors (20475).

104100613 is an equidigital number, since it uses as much as digits as its factorization.

104100613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20474.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 104100613 is about 10202.9707928622. The cubic root of 104100613 is about 470.4185392030.

The spelling of 104100613 in words is "one hundred four million, one hundred thousand, six hundred thirteen".