104443425 has 30 divisors (see below), whose sum is σ = 193469078. Its totient is φ = 55702080.

The previous prime is 104443421. The next prime is 104443439. The reversal of 104443425 is 524344401.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7144929 + 97298496 = 2673^2 + 9864^2 .

It is not a de Polignac number, because 104443425 - 2² = 104443421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104443421) 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 29 ways as a sum of consecutive naturals, for example, 23764 + ... + 27813.

Almost surely, 2^104443425 is an apocalyptic number.

104443425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104443425 is a deficient number, since it is larger than the sum of its proper divisors (89025653).

104443425 is an equidigital number, since it uses as much as digits as its factorization.

104443425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51599 (or 51585 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 104443425 is about 10219.7566017983. The cubic root of 104443425 is about 470.9343492415.

Adding to 104443425 its reverse (524344401), we get a palindrome (628787826).

The spelling of 104443425 in words is "one hundred four million, four hundred forty-three thousand, four hundred twenty-five".