104425551 has 16 divisors (see below), whose sum is σ = 156826720. Its totient is φ = 68662080.

The previous prime is 104425547. The next prime is 104425583. The reversal of 104425551 is 155524401.

104425551 is a `hidden beast` number, since 104 + 4 + 2 + 5 + 551 = 666.

It is not a de Polignac number, because 104425551 - 2² = 104425547 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104425511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24520 + ... + 28461.

It is an arithmetic number, because the mean of its divisors is an integer number (9801670).

Almost surely, 2^104425551 is an apocalyptic number.

104425551 is a deficient number, since it is larger than the sum of its proper divisors (52401169).

104425551 is an equidigital number, since it uses as much as digits as its factorization.

104425551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53063 (or 53057 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 104425551 is about 10218.8820817152. The cubic root of 104425551 is about 470.9074831469.

Adding to 104425551 its reverse (155524401), we get a palindrome (259949952).

It can be divided in two parts, 104425 and 551, that added together give a 4-th power (104976 = 18⁴).

The spelling of 104425551 in words is "one hundred four million, four hundred twenty-five thousand, five hundred fifty-one".