104251513 has 4 divisors (see below), whose sum is σ = 104745808. Its totient is φ = 103757220.

The previous prime is 104251507. The next prime is 104251517. The reversal of 104251513 is 315152401.

It is a happy number.

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: 315152401 = 1171 ⋅269131.

It is a cyclic number.

It is not a de Polignac number, because 104251513 - 2²¹ = 102154361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104251517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246831 + ... + 247252.

It is an arithmetic number, because the mean of its divisors is an integer number (26186452).

Almost surely, 2^104251513 is an apocalyptic number.

It is an amenable number.

104251513 is a deficient number, since it is larger than the sum of its proper divisors (494295).

104251513 is an equidigital number, since it uses as much as digits as its factorization.

104251513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494294.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 104251513 is about 10210.3630199910. The cubic root of 104251513 is about 470.6457293017.

The spelling of 104251513 in words is "one hundred four million, two hundred fifty-one thousand, five hundred thirteen".