192891053 has 2 divisors, whose sum is σ = 192891054. Its totient is φ = 192891052.

The previous prime is 192891043. The next prime is 192891071. The reversal of 192891053 is 350198291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97574884 + 95316169 = 9878^2 + 9763^2 .

It is a cyclic number.

It is not a de Polignac number, because 192891053 - 2²² = 188696749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 192890998 and 192891016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192891043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96445526 + 96445527.

It is an arithmetic number, because the mean of its divisors is an integer number (96445527).

Almost surely, 2^192891053 is an apocalyptic number.

It is an amenable number.

192891053 is a deficient number, since it is larger than the sum of its proper divisors (1).

192891053 is an equidigital number, since it uses as much as digits as its factorization.

192891053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 192891053 is about 13888.5223476078. The cubic root of 192891053 is about 577.7908960930.

The spelling of 192891053 in words is "one hundred ninety-two million, eight hundred ninety-one thousand, fifty-three".