52742605 has 8 divisors (see below), whose sum is σ = 64835064. Its totient is φ = 41164800.

The previous prime is 52742597. The next prime is 52742617. The reversal of 52742605 is 50624725.

52742605 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 2090916 + 50651689 = 1446^2 + 7117^2 .

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

It is not a de Polignac number, because 52742605 - 2³ = 52742597 is a prime.

It is a Duffinian 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, 128436 + ... + 128845.

It is an arithmetic number, because the mean of its divisors is an integer number (8104383).

Almost surely, 2^52742605 is an apocalyptic number.

It is an amenable number.

52742605 is a deficient number, since it is larger than the sum of its proper divisors (12092459).

52742605 is a wasteful number, since it uses less digits than its factorization.

52742605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257327.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 52742605 is about 7262.4104125283. The cubic root of 52742605 is about 375.0195071334.

The spelling of 52742605 in words is "fifty-two million, seven hundred forty-two thousand, six hundred five".