5657213 has 4 divisors (see below), whose sum is σ = 5667228. Its totient is φ = 5647200.

The previous prime is 5657207. The next prime is 5657251. The reversal of 5657213 is 3127565.

5657213 is digitally balanced in base 3, 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 5373124 + 284089 = 2318^2 + 533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5657213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657513) 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, 4106 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (1416807).

Almost surely, 2^5657213 is an apocalyptic number.

It is an amenable number.

5657213 is a deficient number, since it is larger than the sum of its proper divisors (10015).

5657213 is an equidigital number, since it uses as much as digits as its factorization.

5657213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10014.

The product of its digits is 6300, while the sum is 29.

The square root of 5657213 is about 2378.4896468137. The cubic root of 5657213 is about 178.1835101927.

The spelling of 5657213 in words is "five million, six hundred fifty-seven thousand, two hundred thirteen".