52605225 has 54 divisors (see below), whose sum is σ = 100214010. Its totient is φ = 26373120.

The previous prime is 52605221. The next prime is 52605247. The reversal of 52605225 is 52250625.

52605225 is a `hidden beast` number, since 52 + 605 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 9 ways, for example, as 28224 + 52577001 = 168^2 + 7251^2 .

It is not a de Polignac number, because 52605225 - 2² = 52605221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52605221) 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 53 ways as a sum of consecutive naturals, for example, 64621 + ... + 65429.

It is an arithmetic number, because the mean of its divisors is an integer number (1855815).

Almost surely, 2^52605225 is an apocalyptic number.

It is an amenable number.

52605225 is a deficient number, since it is larger than the sum of its proper divisors (47608785).

52605225 is a wasteful number, since it uses less digits than its factorization.

52605225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 52605225 is about 7252.9459531972. The cubic root of 52605225 is about 374.6936164124.

The spelling of 52605225 in words is "fifty-two million, six hundred five thousand, two hundred twenty-five".