52540205 has 8 divisors (see below), whose sum is σ = 63231000. Its totient is φ = 41910336.

The previous prime is 52540177. The next prime is 52540237. The reversal of 52540205 is 50204525.

52540205 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 4 ways, for example, as 6869641 + 45670564 = 2621^2 + 6758^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52540205 is a prime.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13310 + ... + 16799.

It is an arithmetic number, because the mean of its divisors is an integer number (7903875).

Almost surely, 2^52540205 is an apocalyptic number.

It is an amenable number.

52540205 is a deficient number, since it is larger than the sum of its proper divisors (10690795).

52540205 is a wasteful number, since it uses less digits than its factorization.

52540205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30463.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 52540205 is about 7248.4622507122. The cubic root of 52540205 is about 374.5391791348.

The spelling of 52540205 in words is "fifty-two million, five hundred forty thousand, two hundred five".