189352547 has 2 divisors, whose sum is σ = 189352548. Its totient is φ = 189352546.

The previous prime is 189352529. The next prime is 189352561. The reversal of 189352547 is 745253981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189352547 - 2⁶ = 189352483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189352498 and 189352507.

It is not a weakly prime, because it can be changed into another prime (189352507) 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, 94676273 + 94676274.

It is an arithmetic number, because the mean of its divisors is an integer number (94676274).

Almost surely, 2^189352547 is an apocalyptic number.

189352547 is a deficient number, since it is larger than the sum of its proper divisors (1).

189352547 is an equidigital number, since it uses as much as digits as its factorization.

189352547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

The square root of 189352547 is about 13760.5431215487. The cubic root of 189352547 is about 574.2359576143.

The spelling of 189352547 in words is "one hundred eighty-nine million, three hundred fifty-two thousand, five hundred forty-seven".