192981563 has 2 divisors, whose sum is σ = 192981564. Its totient is φ = 192981562.

The previous prime is 192981493. The next prime is 192981583. The reversal of 192981563 is 365189291.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 192981563 - 2¹⁰ = 192980539 is a prime.

It is not a weakly prime, because it can be changed into another prime (192981583) 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, 96490781 + 96490782.

It is an arithmetic number, because the mean of its divisors is an integer number (96490782).

Almost surely, 2^192981563 is an apocalyptic number.

192981563 is a deficient number, since it is larger than the sum of its proper divisors (1).

192981563 is an equidigital number, since it uses as much as digits as its factorization.

192981563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 44.

The square root of 192981563 is about 13891.7804114519. The cubic root of 192981563 is about 577.8812539673.

The spelling of 192981563 in words is "one hundred ninety-two million, nine hundred eighty-one thousand, five hundred sixty-three".