188953 has 2 divisors, whose sum is σ = 188954.
Its totient is φ = 188952.
The previous prime is 188941. The next prime is 188957. The reversal of 188953 is 359881.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 127449 + 61504 = 357^2 + 248^2
It is a cyclic number.
It is not a de Polignac number, because 188953 - 217 = 57881 is a prime.
It is an Ulam number.
It is not a weakly prime, because it can be changed into another prime (188957) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94476 + 94477.
It is an arithmetic number, because the mean of its divisors is an integer number (94477).
2188953 is an apocalyptic number.
It is an amenable number.
188953 is a deficient number, since it is larger than the sum of its proper divisors (1).
188953 is an equidigital number, since it uses as much as digits as its factorization.
188953 is an evil number, because the sum of its binary digits is even.
The product of its digits is 8640, while the sum is 34.
The square root of 188953 is about 434.6872438892.
The cubic root of 188953 is about 57.3831780642.
The spelling of 188953 in words is "one hundred eighty-eight thousand, nine hundred fifty-three".