19485425 has 12 divisors (see below), whose sum is σ = 24404316. Its totient is φ = 15432000.

The previous prime is 19485377. The next prime is 19485463. The reversal of 19485425 is 52458491.

It can be written as a sum of positive squares in 6 ways, for example, as 414736 + 19070689 = 644^2 + 4367^2 .

It is not a de Polignac number, because 19485425 - 2¹⁴ = 19469041 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1334 + ... + 6383.

It is an arithmetic number, because the mean of its divisors is an integer number (2033693).

Almost surely, 2^19485425 is an apocalyptic number.

It is an amenable number.

19485425 is a deficient number, since it is larger than the sum of its proper divisors (4918891).

19485425 is a wasteful number, since it uses less digits than its factorization.

19485425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828 (or 7823 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 19485425 is about 4414.2298308992. The cubic root of 19485425 is about 269.0935537839.

The spelling of 19485425 in words is "nineteen million, four hundred eighty-five thousand, four hundred twenty-five".