19425066 has 16 divisors (see below), whose sum is σ = 38971488. Its totient is φ = 6454800.

The previous prime is 19425059. The next prime is 19425089. The reversal of 19425066 is 66052491.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2905 + ... + 6876.

It is an arithmetic number, because the mean of its divisors is an integer number (2435718).

Almost surely, 2^19425066 is an apocalyptic number.

19425066 is an abundant number, since it is smaller than the sum of its proper divisors (19546422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19425066 is a wasteful number, since it uses less digits than its factorization.

19425066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 19425066 is about 4407.3876616427. The cubic root of 19425066 is about 268.8154139669.

The spelling of 19425066 in words is "nineteen million, four hundred twenty-five thousand, sixty-six".