52012645 has 4 divisors (see below), whose sum is σ = 62415180. Its totient is φ = 41610112.

The previous prime is 52012621. The next prime is 52012711. The reversal of 52012645 is 54621025.

52012645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6625476 + 45387169 = 2574^2 + 6737^2 .

It is a cyclic number.

It is not a de Polignac number, because 52012645 - 2⁵ = 52012613 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 5201260 + ... + 5201269.

It is an arithmetic number, because the mean of its divisors is an integer number (15603795).

Almost surely, 2^52012645 is an apocalyptic number.

It is an amenable number.

52012645 is a deficient number, since it is larger than the sum of its proper divisors (10402535).

52012645 is a wasteful number, since it uses less digits than its factorization.

52012645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10402534.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52012645 is about 7211.9792706302. The cubic root of 52012645 is about 373.2813681038.

The spelling of 52012645 in words is "fifty-two million, twelve thousand, six hundred forty-five".