189277025 has 12 divisors (see below), whose sum is σ = 268232832. Its totient is φ = 129789840.

The previous prime is 189277019. The next prime is 189277027. The reversal of 189277025 is 520772981.

It is not a de Polignac number, because 189277025 - 2¹² = 189272929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189277027) 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 in 11 ways as a sum of consecutive naturals, for example, 540617 + ... + 540966.

It is an arithmetic number, because the mean of its divisors is an integer number (22352736).

Almost surely, 2^189277025 is an apocalyptic number.

It is an amenable number.

189277025 is a deficient number, since it is larger than the sum of its proper divisors (78955807).

189277025 is a wasteful number, since it uses less digits than its factorization.

189277025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081600 (or 1081595 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 189277025 is about 13757.7986974661. The cubic root of 189277025 is about 574.1596040689.

It can be divided in two parts, 18927 and 7025, that added together give a palindrome (25952).

The spelling of 189277025 in words is "one hundred eighty-nine million, two hundred seventy-seven thousand, twenty-five".