19242525 has 12 divisors (see below), whose sum is σ = 31814432. Its totient is φ = 10262640.

The previous prime is 19242523. The next prime is 19242527. The reversal of 19242525 is 52524291.

It is an interprime number because it is at equal distance from previous prime (19242523) and next prime (19242527).

It is not a de Polignac number, because 19242525 - 2¹ = 19242523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19242492 and 19242501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19242523) by changing a digit.

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, 128209 + ... + 128358.

Almost surely, 2^19242525 is an apocalyptic number.

19242525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19242525 is a deficient number, since it is larger than the sum of its proper divisors (12571907).

19242525 is a wasteful number, since it uses less digits than its factorization.

19242525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256580 (or 256575 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 19242525 is about 4386.6302556746. The cubic root of 19242525 is about 267.9707261780.

The spelling of 19242525 in words is "nineteen million, two hundred forty-two thousand, five hundred twenty-five".