193205213 has 2 divisors, whose sum is σ = 193205214. Its totient is φ = 193205212.

The previous prime is 193205191. The next prime is 193205249. The reversal of 193205213 is 312502391.

193205213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147209689 + 45995524 = 12133^2 + 6782^2 .

It is a cyclic number.

It is not a de Polignac number, because 193205213 - 2²² = 189010909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193205263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96602606 + 96602607.

It is an arithmetic number, because the mean of its divisors is an integer number (96602607).

Almost surely, 2^193205213 is an apocalyptic number.

It is an amenable number.

193205213 is a deficient number, since it is larger than the sum of its proper divisors (1).

193205213 is an equidigital number, since it uses as much as digits as its factorization.

193205213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 193205213 is about 13899.8278046888. The cubic root of 193205213 is about 578.1044069723.

The spelling of 193205213 in words is "one hundred ninety-three million, two hundred five thousand, two hundred thirteen".