188947051 has 2 divisors, whose sum is σ = 188947052. Its totient is φ = 188947050.

The previous prime is 188947021. The next prime is 188947103. The reversal of 188947051 is 150749881.

It is a happy number.

188947051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (150749881) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188947051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 188946989 and 188947007.

It is not a weakly prime, because it can be changed into another prime (188947021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94473525 + 94473526.

It is an arithmetic number, because the mean of its divisors is an integer number (94473526).

Almost surely, 2^188947051 is an apocalyptic number.

188947051 is a deficient number, since it is larger than the sum of its proper divisors (1).

188947051 is an equidigital number, since it uses as much as digits as its factorization.

188947051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 188947051 is about 13745.8012134615. The cubic root of 188947051 is about 573.8257584014.

The spelling of 188947051 in words is "one hundred eighty-eight million, nine hundred forty-seven thousand, fifty-one".