19485825 has 72 divisors (see below), whose sum is σ = 36545280. Its totient is φ = 9139200.

The previous prime is 19485799. The next prime is 19485841. The reversal of 19485825 is 52858491.

It is a happy number.

It is not a de Polignac number, because 19485825 - 2⁹ = 19485313 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 628560 + ... + 628590.

Almost surely, 2^19485825 is an apocalyptic number.

19485825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19485825 is a deficient number, since it is larger than the sum of its proper divisors (17059455).

19485825 is a wasteful number, since it uses less digits than its factorization.

19485825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 85 counting only the distinct ones).

The product of its digits is 115200, while the sum is 42.

The square root of 19485825 is about 4414.2751386836. The cubic root of 19485825 is about 269.0953951035.

The spelling of 19485825 in words is "nineteen million, four hundred eighty-five thousand, eight hundred twenty-five".