189300425 has 18 divisors (see below), whose sum is σ = 237227562. Its totient is φ = 149847040.

The previous prime is 189300421. The next prime is 189300451. The reversal of 189300425 is 524003981.

It can be written as a sum of positive squares in 9 ways, for example, as 154678969 + 34621456 = 12437^2 + 5884^2 .

It is not a de Polignac number, because 189300425 - 2² = 189300421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189300391 and 189300400.

It is not an unprimeable number, because it can be changed into a prime (189300421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 318929 + ... + 319521.

It is an arithmetic number, because the mean of its divisors is an integer number (13179309).

Almost surely, 2^189300425 is an apocalyptic number.

It is an amenable number.

189300425 is a deficient number, since it is larger than the sum of its proper divisors (47927137).

189300425 is an equidigital number, since it uses as much as digits as its factorization.

189300425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 189300425 is about 13758.6490979311. The cubic root of 189300425 is about 574.1832638891.

The spelling of 189300425 in words is "one hundred eighty-nine million, three hundred thousand, four hundred twenty-five".