6453213 has 16 divisors (see below), whose sum is σ = 9312576. Its totient is φ = 3951360.

The previous prime is 6453199. The next prime is 6453221. The reversal of 6453213 is 3123546.

It is a happy number.

It is not a de Polignac number, because 6453213 - 2⁴ = 6453197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6453253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12898 + ... + 13388.

It is an arithmetic number, because the mean of its divisors is an integer number (582036).

Almost surely, 2^6453213 is an apocalyptic number.

It is an amenable number.

6453213 is a deficient number, since it is larger than the sum of its proper divisors (2859363).

6453213 is a wasteful number, since it uses less digits than its factorization.

6453213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844.

The product of its digits is 2160, while the sum is 24.

The square root of 6453213 is about 2540.3174998413. The cubic root of 6453213 is about 186.1767022360.

Adding to 6453213 its reverse (3123546), we get a palindrome (9576759).

It can be divided in two parts, 6453 and 213, that added together give a palindrome (6666).

The spelling of 6453213 in words is "six million, four hundred fifty-three thousand, two hundred thirteen".