6625213 has 4 divisors (see below), whose sum is σ = 7571680. Its totient is φ = 5678748.

The previous prime is 6625207. The next prime is 6625237. The reversal of 6625213 is 3125266.

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 6625213 - 2⁵ = 6625181 is a prime.

It is a Duffinian number.

6625213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473223 + ... + 473236.

It is an arithmetic number, because the mean of its divisors is an integer number (1892920).

Almost surely, 2^6625213 is an apocalyptic number.

It is an amenable number.

6625213 is a deficient number, since it is larger than the sum of its proper divisors (946467).

6625213 is an equidigital number, since it uses as much as digits as its factorization.

6625213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946466.

The product of its digits is 2160, while the sum is 25.

The square root of 6625213 is about 2573.9489116919. The cubic root of 6625213 is about 187.8163004917.

The spelling of 6625213 in words is "six million, six hundred twenty-five thousand, two hundred thirteen".