19414925 has 18 divisors (see below), whose sum is σ = 24580458. Its totient is φ = 15211680.

The previous prime is 19414909. The next prime is 19414931. The reversal of 19414925 is 52941491.

It can be written as a sum of positive squares in 3 ways, for example, as 4313929 + 15100996 = 2077^2 + 3886^2 .

It is not a de Polignac number, because 19414925 - 2⁴ = 19414909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 112139 + ... + 112311.

It is an arithmetic number, because the mean of its divisors is an integer number (1365581).

Almost surely, 2^19414925 is an apocalyptic number.

It is an amenable number.

19414925 is a deficient number, since it is larger than the sum of its proper divisors (5165533).

19414925 is an equidigital number, since it uses as much as digits as its factorization.

19414925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 245 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 19414925 is about 4406.2370567186. The cubic root of 19414925 is about 268.7686267962.

The spelling of 19414925 in words is "nineteen million, four hundred fourteen thousand, nine hundred twenty-five".