52612517 has 4 divisors (see below), whose sum is σ = 53605260. Its totient is φ = 51619776.

The previous prime is 52612513. The next prime is 52612519. The reversal of 52612517 is 71521625.

52612517 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 39551521 + 13060996 = 6289^2 + 3614^2 .

It is a cyclic number.

It is not a de Polignac number, because 52612517 - 2² = 52612513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52612517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52612513) 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 3 ways as a sum of consecutive naturals, for example, 496292 + ... + 496397.

It is an arithmetic number, because the mean of its divisors is an integer number (13401315).

Almost surely, 2^52612517 is an apocalyptic number.

It is an amenable number.

52612517 is a deficient number, since it is larger than the sum of its proper divisors (992743).

52612517 is an equidigital number, since it uses as much as digits as its factorization.

52612517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992742.

The product of its digits is 4200, while the sum is 29.

The square root of 52612517 is about 7253.4486280665. The cubic root of 52612517 is about 374.7109286320.

The spelling of 52612517 in words is "fifty-two million, six hundred twelve thousand, five hundred seventeen".