6303213 has 18 divisors (see below), whose sum is σ = 10591854. Its totient is φ = 3601584.

The previous prime is 6303211. The next prime is 6303221. The reversal of 6303213 is 3123036.

It is a happy number.

6303213 is a `hidden beast` number, since 630 + 32 + 1 + 3 = 666.

6303213 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3337929 + 2965284 = 1827^2 + 1722^2 .

It is not a de Polignac number, because 6303213 - 2¹ = 6303211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6303211) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6706 + ... + 7587.

Almost surely, 2^6303213 is an apocalyptic number.

6303213 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6303213 is a deficient number, since it is larger than the sum of its proper divisors (4288641).

6303213 is a wasteful number, since it uses less digits than its factorization.

6303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14313 (or 14303 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 6303213 is about 2510.6200429376. The cubic root of 6303213 is about 184.7228672595.

Adding to 6303213 its reverse (3123036), we get a palindrome (9426249).

It can be divided in two parts, 6 and 303213, that multiplied together give a triangular number (1819278 = T₁₉₀₇).

The spelling of 6303213 in words is "six million, three hundred three thousand, two hundred thirteen".