363213 has 6 divisors (see below), whose sum is σ = 524654. Its totient is φ = 242136.

The previous prime is 363211. The next prime is 363217. The reversal of 363213 is 312363.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 213444 + 149769 = 462^2 + 387^2 .

It is not a de Polignac number, because 363213 - 2¹ = 363211 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20170 + ... + 20187.

2³⁶³²¹³ is an apocalyptic number.

It is an amenable number.

363213 is a deficient number, since it is larger than the sum of its proper divisors (161441).

363213 is a wasteful number, since it uses less digits than its factorization.

363213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40363 (or 40360 counting only the distinct ones).

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

The square root of 363213 is about 602.6715523401. The cubic root of 363213 is about 71.3488747302.

Adding to 363213 its reverse (312363), we get a palindrome (675576).

It can be divided in two parts, 363 and 213, that added together give a square (576 = 24²).

The spelling of 363213 in words is "three hundred sixty-three thousand, two hundred thirteen".