19201425 has 12 divisors (see below), whose sum is σ = 31746480. Its totient is φ = 10240720.

The previous prime is 19201417. The next prime is 19201433. The reversal of 19201425 is 52410291.

It is an interprime number because it is at equal distance from previous prime (19201417) and next prime (19201433).

It is not a de Polignac number, because 19201425 - 2³ = 19201417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19201395 and 19201404.

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 11 ways as a sum of consecutive naturals, for example, 127935 + ... + 128084.

It is an arithmetic number, because the mean of its divisors is an integer number (2645540).

Almost surely, 2^19201425 is an apocalyptic number.

19201425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19201425 is a deficient number, since it is larger than the sum of its proper divisors (12545055).

19201425 is a wasteful number, since it uses less digits than its factorization.

19201425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256032 (or 256027 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 19201425 is about 4381.9430621586. The cubic root of 19201425 is about 267.7798044659.

The spelling of 19201425 in words is "nineteen million, two hundred one thousand, four hundred twenty-five".