19425106 has 16 divisors (see below), whose sum is σ = 30864960. Its totient is φ = 9143280.

The previous prime is 19425089. The next prime is 19425113. The reversal of 19425106 is 60152491.

It is a super-2 number, since 2×19425106² = 754669486222472, which contains 22 as substring.

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, 4816 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (1929060).

Almost surely, 2^19425106 is an apocalyptic number.

19425106 is a deficient number, since it is larger than the sum of its proper divisors (11439854).

19425106 is a wasteful number, since it uses less digits than its factorization.

19425106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 19425106 is about 4407.3921994758. The cubic root of 19425106 is about 268.8155984813.

Adding to 19425106 its reverse (60152491), we get a palindrome (79577597).

The spelling of 19425106 in words is "nineteen million, four hundred twenty-five thousand, one hundred six".