52106513 has 8 divisors (see below), whose sum is σ = 55571040. Its totient is φ = 48686400.

The previous prime is 52106507. The next prime is 52106521. The reversal of 52106513 is 31560125.

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-52106513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52106413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8663 + ... + 13388.

It is an arithmetic number, because the mean of its divisors is an integer number (6946380).

Almost surely, 2^52106513 is an apocalyptic number.

It is an amenable number.

52106513 is a deficient number, since it is larger than the sum of its proper divisors (3464527).

52106513 is a wasteful number, since it uses less digits than its factorization.

52106513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22207.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 52106513 is about 7218.4841206447. The cubic root of 52106513 is about 373.5057886461.

Adding to 52106513 its reverse (31560125), we get a palindrome (83666638).

The spelling of 52106513 in words is "fifty-two million, one hundred six thousand, five hundred thirteen".