193030933 has 2 divisors, whose sum is σ = 193030934. Its totient is φ = 193030932.

The previous prime is 193030921. The next prime is 193030939. The reversal of 193030933 is 339030391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190937124 + 2093809 = 13818^2 + 1447^2 .

It is a cyclic number.

It is not a de Polignac number, because 193030933 - 2²⁵ = 159476501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 193030895 and 193030904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193030939) 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, 96515466 + 96515467.

It is an arithmetic number, because the mean of its divisors is an integer number (96515467).

Almost surely, 2^193030933 is an apocalyptic number.

It is an amenable number.

193030933 is a deficient number, since it is larger than the sum of its proper divisors (1).

193030933 is an equidigital number, since it uses as much as digits as its factorization.

193030933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561, while the sum is 31.

The square root of 193030933 is about 13893.5572478757. The cubic root of 193030933 is about 577.9305290802.

The spelling of 193030933 in words is "one hundred ninety-three million, thirty thousand, nine hundred thirty-three".