192045012521 has 2 divisors, whose sum is σ = 192045012522. Its totient is φ = 192045012520.

The previous prime is 192045012479. The next prime is 192045012527. The reversal of 192045012521 is 125210540291.

192045012521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188908452496 + 3136560025 = 434636^2 + 56005^2 .

It is a cyclic number.

It is not a de Polignac number, because 192045012521 - 2⁶ = 192045012457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (192045012527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96022506260 + 96022506261.

It is an arithmetic number, because the mean of its divisors is an integer number (96022506261).

Almost surely, 2^192045012521 is an apocalyptic number.

It is an amenable number.

192045012521 is a deficient number, since it is larger than the sum of its proper divisors (1).

192045012521 is an equidigital number, since it uses as much as digits as its factorization.

192045012521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 192045012521 in words is "one hundred ninety-two billion, forty-five million, twelve thousand, five hundred twenty-one".