104342551 has 4 divisors (see below), whose sum is σ = 107940600. Its totient is φ = 100744504.

The previous prime is 104342533. The next prime is 104342569. The reversal of 104342551 is 155243401.

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: 155243401 = 139 ⋅1116859.

It is an interprime number because it is at equal distance from previous prime (104342533) and next prime (104342569).

It is a cyclic number.

It is not a de Polignac number, because 104342551 - 2⁵ = 104342519 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 (104345551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798981 + ... + 1799038.

It is an arithmetic number, because the mean of its divisors is an integer number (26985150).

Almost surely, 2^104342551 is an apocalyptic number.

104342551 is a deficient number, since it is larger than the sum of its proper divisors (3598049).

104342551 is an equidigital number, since it uses as much as digits as its factorization.

104342551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598048.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 104342551 is about 10214.8201648389. The cubic root of 104342551 is about 470.7826871220.

Adding to 104342551 its reverse (155243401), we get a palindrome (259585952).

The spelling of 104342551 in words is "one hundred four million, three hundred forty-two thousand, five hundred fifty-one".