189007425 has 30 divisors (see below), whose sum is σ = 350110838. Its totient is φ = 100802880.

The previous prime is 189007393. The next prime is 189007447. The reversal of 189007425 is 524700981.

It can be written as a sum of positive squares in 3 ways, for example, as 7485696 + 181521729 = 2736^2 + 13473^2 .

It is not a de Polignac number, because 189007425 - 2⁵ = 189007393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 189007425.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 44644 + ... + 48693.

Almost surely, 2^189007425 is an apocalyptic number.

189007425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189007425 is a deficient number, since it is larger than the sum of its proper divisors (161103413).

189007425 is an equidigital number, since it uses as much as digits as its factorization.

189007425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93359 (or 93345 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 189007425 is about 13747.9971268545. The cubic root of 189007425 is about 573.8868698201.

The spelling of 189007425 in words is "one hundred eighty-nine million, seven thousand, four hundred twenty-five".