189327953 has 2 divisors, whose sum is σ = 189327954. Its totient is φ = 189327952.

The previous prime is 189327949. The next prime is 189327967. The reversal of 189327953 is 359723981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186677569 + 2650384 = 13663^2 + 1628^2 .

It is an emirp because it is prime and its reverse (359723981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189327953 - 2² = 189327949 is a prime.

It is a super-3 number, since 3×189327953³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189327898 and 189327907.

It is not a weakly prime, because it can be changed into another prime (189327553) 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, 94663976 + 94663977.

It is an arithmetic number, because the mean of its divisors is an integer number (94663977).

Almost surely, 2^189327953 is an apocalyptic number.

It is an amenable number.

189327953 is a deficient number, since it is larger than the sum of its proper divisors (1).

189327953 is an equidigital number, since it uses as much as digits as its factorization.

189327953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 189327953 is about 13759.6494504766. The cubic root of 189327953 is about 574.2110950482.

The spelling of 189327953 in words is "one hundred eighty-nine million, three hundred twenty-seven thousand, nine hundred fifty-three".