6256213 has 4 divisors (see below), whose sum is σ = 6261568. Its totient is φ = 6250860.

The previous prime is 6256193. The next prime is 6256223. The reversal of 6256213 is 3126526.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6256213 is a prime.

It is a super-2 number, since 2×6256213² = 78280402202738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6256223) 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, 93 + ... + 3538.

It is an arithmetic number, because the mean of its divisors is an integer number (1565392).

Almost surely, 2^6256213 is an apocalyptic number.

It is an amenable number.

6256213 is a deficient number, since it is larger than the sum of its proper divisors (5355).

6256213 is a wasteful number, since it uses less digits than its factorization.

6256213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354.

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

The square root of 6256213 is about 2501.2422913424. The cubic root of 6256213 is about 184.2625917518.

It can be divided in two parts, 6256 and 213, that multiplied together give a triangular number (1332528 = T₁₆₃₂).

The spelling of 6256213 in words is "six million, two hundred fifty-six thousand, two hundred thirteen".