189552697 has 2 divisors, whose sum is σ = 189552698. Its totient is φ = 189552696.

The previous prime is 189552673. The next prime is 189552709. The reversal of 189552697 is 796255981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100080016 + 89472681 = 10004^2 + 9459^2 .

It is an emirp because it is prime and its reverse (796255981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189552697 - 2¹¹ = 189550649 is a prime.

It is not a weakly prime, because it can be changed into another prime (189552617) 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, 94776348 + 94776349.

It is an arithmetic number, because the mean of its divisors is an integer number (94776349).

Almost surely, 2^189552697 is an apocalyptic number.

It is an amenable number.

189552697 is a deficient number, since it is larger than the sum of its proper divisors (1).

189552697 is an equidigital number, since it uses as much as digits as its factorization.

189552697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 52.

The square root of 189552697 is about 13767.8138061204. The cubic root of 189552697 is about 574.4382132424.

The spelling of 189552697 in words is "one hundred eighty-nine million, five hundred fifty-two thousand, six hundred ninety-seven".