193125513 has 24 divisors (see below), whose sum is σ = 306517728. Its totient is φ = 107787456.

The previous prime is 193125511. The next prime is 193125523. The reversal of 193125513 is 315521391.

It is not a de Polignac number, because 193125513 - 2¹ = 193125511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (193125511) 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 23 ways as a sum of consecutive naturals, for example, 8956 + ... + 21597.

It is an arithmetic number, because the mean of its divisors is an integer number (12771572).

Almost surely, 2^193125513 is an apocalyptic number.

It is an amenable number.

193125513 is a deficient number, since it is larger than the sum of its proper divisors (113392215).

193125513 is a wasteful number, since it uses less digits than its factorization.

193125513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30613 (or 30606 counting only the distinct ones).

The product of its digits is 4050, while the sum is 30.

The square root of 193125513 is about 13896.9605669729. The cubic root of 193125513 is about 578.0249038411.

The spelling of 193125513 in words is "one hundred ninety-three million, one hundred twenty-five thousand, five hundred thirteen".