52601309 has 8 divisors (see below), whose sum is σ = 54174168. Its totient is φ = 51036480.

The previous prime is 52601293. The next prime is 52601359. The reversal of 52601309 is 90310625.

52601309 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 33895684 + 18705625 = 5822^2 + 4325^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52601309 - 2⁴ = 52601293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52601359) 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 7 ways as a sum of consecutive naturals, for example, 12899 + ... + 16479.

It is an arithmetic number, because the mean of its divisors is an integer number (6771771).

Almost surely, 2^52601309 is an apocalyptic number.

It is an amenable number.

52601309 is a deficient number, since it is larger than the sum of its proper divisors (1572859).

52601309 is a wasteful number, since it uses less digits than its factorization.

52601309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 52601309 is about 7252.6759889023. The cubic root of 52601309 is about 374.6843186249.

The spelling of 52601309 in words is "fifty-two million, six hundred one thousand, three hundred nine".