193052021 has 2 divisors, whose sum is σ = 193052022. Its totient is φ = 193052020.

The previous prime is 193052003. The next prime is 193052029. The reversal of 193052021 is 120250391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160402225 + 32649796 = 12665^2 + 5714^2 .

It is an emirp because it is prime and its reverse (120250391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193052021 - 2¹⁴ = 193035637 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193052029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96526010 + 96526011.

It is an arithmetic number, because the mean of its divisors is an integer number (96526011).

Almost surely, 2^193052021 is an apocalyptic number.

It is an amenable number.

193052021 is a deficient number, since it is larger than the sum of its proper divisors (1).

193052021 is an equidigital number, since it uses as much as digits as its factorization.

193052021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 193052021 is about 13894.3161400625. The cubic root of 193052021 is about 577.9515739891.

The spelling of 193052021 in words is "one hundred ninety-three million, fifty-two thousand, twenty-one".