52745625 has 30 divisors (see below), whose sum is σ = 95214834. Its totient is φ = 28128000.

The previous prime is 52745621. The next prime is 52745633. The reversal of 52745625 is 52654725.

52745625 is a `hidden beast` number, since 5 + 27 + 4 + 5 + 625 = 666.

52745625 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 5 ways, for example, as 32387481 + 20358144 = 5691^2 + 4512^2 .

It is not a de Polignac number, because 52745625 - 2² = 52745621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52745625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52745621) 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 29 ways as a sum of consecutive naturals, for example, 937 + ... + 10313.

Almost surely, 2^52745625 is an apocalyptic number.

It is an amenable number.

52745625 is a deficient number, since it is larger than the sum of its proper divisors (42469209).

52745625 is an equidigital number, since it uses as much as digits as its factorization.

52745625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9403 (or 9385 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 52745625 is about 7262.6183295007. The cubic root of 52745625 is about 375.0266647706.

The spelling of 52745625 in words is "fifty-two million, seven hundred forty-five thousand, six hundred twenty-five".