19242513 has 12 divisors (see below), whose sum is σ = 29003520. Its totient is φ = 12270456.

The previous prime is 19242499. The next prime is 19242523. The reversal of 19242513 is 31524291.

It is not a de Polignac number, because 19242513 - 2⁵ = 19242481 is a prime.

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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46273 + ... + 46686.

It is an arithmetic number, because the mean of its divisors is an integer number (2416960).

Almost surely, 2^19242513 is an apocalyptic number.

It is an amenable number.

19242513 is a deficient number, since it is larger than the sum of its proper divisors (9761007).

19242513 is a wasteful number, since it uses less digits than its factorization.

19242513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92988 (or 92985 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 19242513 is about 4386.6288878819. The cubic root of 19242513 is about 267.9706704742.

The spelling of 19242513 in words is "nineteen million, two hundred forty-two thousand, five hundred thirteen".