193232513 has 2 divisors, whose sum is σ = 193232514. Its totient is φ = 193232512.

The previous prime is 193232491. The next prime is 193232519. The reversal of 193232513 is 315232391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146337409 + 46895104 = 12097^2 + 6848^2 .

It is a cyclic number.

It is not a de Polignac number, because 193232513 - 2⁶ = 193232449 is a prime.

It is not a weakly prime, because it can be changed into another prime (193232519) 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 as a sum of consecutive naturals, namely, 96616256 + 96616257.

It is an arithmetic number, because the mean of its divisors is an integer number (96616257).

Almost surely, 2^193232513 is an apocalyptic number.

It is an amenable number.

193232513 is a deficient number, since it is larger than the sum of its proper divisors (1).

193232513 is an equidigital number, since it uses as much as digits as its factorization.

193232513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 29.

The square root of 193232513 is about 13900.8097965550. The cubic root of 193232513 is about 578.1316345107.

The spelling of 193232513 in words is "one hundred ninety-three million, two hundred thirty-two thousand, five hundred thirteen".