52670213 has 4 divisors (see below), whose sum is σ = 52964640. Its totient is φ = 52375788.

The previous prime is 52670197. The next prime is 52670237. The reversal of 52670213 is 31207625.

52670213 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 a cyclic number.

It is not a de Polignac number, because 52670213 - 2⁴ = 52670197 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 (52670243) 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, 146945 + ... + 147302.

It is an arithmetic number, because the mean of its divisors is an integer number (13241160).

Almost surely, 2^52670213 is an apocalyptic number.

It is an amenable number.

52670213 is a deficient number, since it is larger than the sum of its proper divisors (294427).

52670213 is a wasteful number, since it uses less digits than its factorization.

52670213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294426.

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

The square root of 52670213 is about 7257.4246809733. The cubic root of 52670213 is about 374.8478505728.

Adding to 52670213 its reverse (31207625), we get a palindrome (83877838).

The spelling of 52670213 in words is "fifty-two million, six hundred seventy thousand, two hundred thirteen".