188925001 has 2 divisors, whose sum is σ = 188925002. Its totient is φ = 188925000.

The previous prime is 188924993. The next prime is 188925031. The reversal of 188925001 is 100529881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117505600 + 71419401 = 10840^2 + 8451^2 .

It is an emirp because it is prime and its reverse (100529881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 188925001 - 2³ = 188924993 is a prime.

It is not a weakly prime, because it can be changed into another prime (188925031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94462500 + 94462501.

It is an arithmetic number, because the mean of its divisors is an integer number (94462501).

Almost surely, 2^188925001 is an apocalyptic number.

It is an amenable number.

188925001 is a deficient number, since it is larger than the sum of its proper divisors (1).

188925001 is an equidigital number, since it uses as much as digits as its factorization.

188925001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 188925001 is about 13744.9991269552. Note that the first 3 decimals coincide. The cubic root of 188925001 is about 573.8034358333.

The spelling of 188925001 in words is "one hundred eighty-eight million, nine hundred twenty-five thousand, one".