19375225 has 12 divisors (see below), whose sum is σ = 24204924. Its totient is φ = 15384320.

The previous prime is 19375207. The next prime is 19375229. The reversal of 19375225 is 52257391.

It can be written as a sum of positive squares in 6 ways, for example, as 2036329 + 17338896 = 1427^2 + 4164^2 .

It is a de Polignac number, because none of the positive numbers 2^k-19375225 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 (19375229) 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 11 ways as a sum of consecutive naturals, for example, 597 + ... + 6253.

It is an arithmetic number, because the mean of its divisors is an integer number (2017077).

Almost surely, 2^19375225 is an apocalyptic number.

It is an amenable number.

19375225 is a deficient number, since it is larger than the sum of its proper divisors (4829699).

19375225 is a wasteful number, since it uses less digits than its factorization.

19375225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804 (or 5799 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 19375225 is about 4401.7297736231. The cubic root of 19375225 is about 268.5853074243.

It can be divided in two parts, 19375 and 225, that added together give a square (19600 = 140²).

The spelling of 19375225 in words is "nineteen million, three hundred seventy-five thousand, two hundred twenty-five".