52705225 has 12 divisors (see below), whose sum is σ = 65447820. Its totient is φ = 42104000.

The previous prime is 52705207. The next prime is 52705271. The reversal of 52705225 is 52250725.

52705225 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 22762441 + 29942784 = 4771^2 + 5472^2 .

It is not a de Polignac number, because 52705225 - 2¹¹ = 52703177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52705193 and 52705202.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 26775 + ... + 28675.

It is an arithmetic number, because the mean of its divisors is an integer number (5453985).

Almost surely, 2^52705225 is an apocalyptic number.

It is an amenable number.

52705225 is a deficient number, since it is larger than the sum of its proper divisors (12742595).

52705225 is a wasteful number, since it uses less digits than its factorization.

52705225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020 (or 3015 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 52705225 is about 7259.8364306643. The cubic root of 52705225 is about 374.9308909683.

The spelling of 52705225 in words is "fifty-two million, seven hundred five thousand, two hundred twenty-five".