189524453 has 2 divisors, whose sum is σ = 189524454. Its totient is φ = 189524452.

The previous prime is 189524443. The next prime is 189524519. The reversal of 189524453 is 354425981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184497889 + 5026564 = 13583^2 + 2242^2 .

It is a cyclic number.

It is not a de Polignac number, because 189524453 - 2⁶ = 189524389 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189524453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189524443) 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, 94762226 + 94762227.

It is an arithmetic number, because the mean of its divisors is an integer number (94762227).

Almost surely, 2^189524453 is an apocalyptic number.

It is an amenable number.

189524453 is a deficient number, since it is larger than the sum of its proper divisors (1).

189524453 is an equidigital number, since it uses as much as digits as its factorization.

189524453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 41.

The square root of 189524453 is about 13766.7880422414. The cubic root of 189524453 is about 574.4096807392.

The spelling of 189524453 in words is "one hundred eighty-nine million, five hundred twenty-four thousand, four hundred fifty-three".