19425055 has 8 divisors (see below), whose sum is σ = 25103232. Its totient is φ = 14344608.

The previous prime is 19425047. The next prime is 19425059. The reversal of 19425055 is 55052491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19425055 - 2³ = 19425047 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19425059) 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 7 ways as a sum of consecutive naturals, for example, 149359 + ... + 149488.

It is an arithmetic number, because the mean of its divisors is an integer number (3137904).

Almost surely, 2^19425055 is an apocalyptic number.

19425055 is a deficient number, since it is larger than the sum of its proper divisors (5678177).

19425055 is a wasteful number, since it uses less digits than its factorization.

19425055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298865.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 19425055 is about 4407.3864137377. The cubic root of 19425055 is about 268.8153632254.

The spelling of 19425055 in words is "nineteen million, four hundred twenty-five thousand, fifty-five".