52189425 has 36 divisors (see below), whose sum is σ = 96018780. Its totient is φ = 27077760.

The previous prime is 52189421. The next prime is 52189441. The reversal of 52189425 is 52498125.

52189425 is a `hidden beast` number, since 52 + 189 + 425 = 666.

52189425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3249 + 52186176 = 57^2 + 7224^2 .

It is not a de Polignac number, because 52189425 - 2² = 52189421 is a prime.

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 52189425.

It is not an unprimeable number, because it can be changed into a prime (52189421) 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 35 ways as a sum of consecutive naturals, for example, 5191 + ... + 11459.

Almost surely, 2^52189425 is an apocalyptic number.

It is an amenable number.

52189425 is a deficient number, since it is larger than the sum of its proper divisors (43829355).

52189425 is a wasteful number, since it uses less digits than its factorization.

52189425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322 (or 6314 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 52189425 is about 7224.2248719153. The cubic root of 52189425 is about 373.7037914111.

The spelling of 52189425 in words is "fifty-two million, one hundred eighty-nine thousand, four hundred twenty-five".