52706213 has 12 divisors (see below), whose sum is σ = 61696800. Its totient is φ = 44892792.

The previous prime is 52706207. The next prime is 52706243. The reversal of 52706213 is 31260725.

52706213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52706213 - 2²² = 48511909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52706243) 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 11 ways as a sum of consecutive naturals, for example, 4688 + ... + 11286.

It is an arithmetic number, because the mean of its divisors is an integer number (5141400).

Almost surely, 2^52706213 is an apocalyptic number.

It is an amenable number.

52706213 is a deficient number, since it is larger than the sum of its proper divisors (8990587).

52706213 is a wasteful number, since it uses less digits than its factorization.

52706213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776 (or 6769 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 52706213 is about 7259.9044759556. The cubic root of 52706213 is about 374.9332337430.

Adding to 52706213 its reverse (31260725), we get a palindrome (83966938).

The spelling of 52706213 in words is "fifty-two million, seven hundred six thousand, two hundred thirteen".