188953825 has 24 divisors (see below), whose sum is σ = 241689888. Its totient is φ = 146455680.

The previous prime is 188953823. The next prime is 188953829. The reversal of 188953825 is 528359881.

It is not a de Polignac number, because 188953825 - 2¹ = 188953823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188953823) 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 in 23 ways as a sum of consecutive naturals, for example, 146634 + ... + 147916.

It is an arithmetic number, because the mean of its divisors is an integer number (10070412).

Almost surely, 2^188953825 is an apocalyptic number.

It is an amenable number.

188953825 is a deficient number, since it is larger than the sum of its proper divisors (52736063).

188953825 is a wasteful number, since it uses less digits than its factorization.

188953825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1468 counting only the distinct ones).

The product of its digits is 691200, while the sum is 49.

The square root of 188953825 is about 13746.0476137688. The cubic root of 188953825 is about 573.8326157885.

The spelling of 188953825 in words is "one hundred eighty-eight million, nine hundred fifty-three thousand, eight hundred twenty-five".