19397125 has 16 divisors (see below), whose sum is σ = 26410176. Its totient is φ = 14106000.

The previous prime is 19397123. The next prime is 19397173. The reversal of 19397125 is 52179391.

It is not a de Polignac number, because 19397125 - 2¹ = 19397123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19397123) 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 15 ways as a sum of consecutive naturals, for example, 5679 + ... + 8428.

It is an arithmetic number, because the mean of its divisors is an integer number (1650636).

Almost surely, 2^19397125 is an apocalyptic number.

It is an amenable number.

19397125 is a deficient number, since it is larger than the sum of its proper divisors (7013051).

19397125 is a wasteful number, since it uses less digits than its factorization.

19397125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14133 (or 14123 counting only the distinct ones).

The product of its digits is 17010, while the sum is 37.

The square root of 19397125 is about 4404.2167294537. The cubic root of 19397125 is about 268.6864641585.

The spelling of 19397125 in words is "nineteen million, three hundred ninety-seven thousand, one hundred twenty-five".