19481425 has 12 divisors (see below), whose sum is σ = 24811036. Its totient is φ = 15163200.

The previous prime is 19481411. The next prime is 19481431. The reversal of 19481425 is 52418491.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3489424 + 15992001 = 1868^2 + 3999^2 .

It is not a de Polignac number, because 19481425 - 2⁵ = 19481393 is a prime.

It is a Duffinian number.

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, 9606 + ... + 11455.

Almost surely, 2^19481425 is an apocalyptic number.

It is an amenable number.

19481425 is a deficient number, since it is larger than the sum of its proper divisors (5329611).

19481425 is a wasteful number, since it uses less digits than its factorization.

19481425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21108 (or 21103 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 19481425 is about 4413.7767274750. The cubic root of 19481425 is about 269.0751392018.

The spelling of 19481425 in words is "nineteen million, four hundred eighty-one thousand, four hundred twenty-five".