52013213 has 4 divisors (see below), whose sum is σ = 59443680. Its totient is φ = 44582748.

The previous prime is 52013207. The next prime is 52013219. The reversal of 52013213 is 31231025.

52013213 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (52013207) and next prime (52013219).

It is not a de Polignac number, because 52013213 - 2⁴ = 52013197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52013191 and 52013200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52013219) 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, 3715223 + ... + 3715236.

It is an arithmetic number, because the mean of its divisors is an integer number (14860920).

Almost surely, 2^52013213 is an apocalyptic number.

It is an amenable number.

52013213 is a deficient number, since it is larger than the sum of its proper divisors (7430467).

52013213 is an equidigital number, since it uses as much as digits as its factorization.

52013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430466.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 52013213 is about 7212.0186494490. The cubic root of 52013213 is about 373.2827268954.

Adding to 52013213 its reverse (31231025), we get a palindrome (83244238).

The spelling of 52013213 in words is "fifty-two million, thirteen thousand, two hundred thirteen".