363643313 has 4 divisors (see below), whose sum is σ = 396701808. Its totient is φ = 330584820.

The previous prime is 363643307. The next prime is 363643369. The reversal of 363643313 is 313346363.

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 363643313 - 2⁴ = 363643297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 363643313.

It is not an unprimeable number, because it can be changed into a prime (363643393) 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, 16529231 + ... + 16529252.

It is an arithmetic number, because the mean of its divisors is an integer number (99175452).

Almost surely, 2^363643313 is an apocalyptic number.

It is an amenable number.

363643313 is a deficient number, since it is larger than the sum of its proper divisors (33058495).

363643313 is a wasteful number, since it uses less digits than its factorization.

363643313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33058494.

The product of its digits is 34992, while the sum is 32.

The square root of 363643313 is about 19069.4339978931. The cubic root of 363643313 is about 713.7704023416.

Adding to 363643313 its reverse (313346363), we get a palindrome (676989676).

The spelling of 363643313 in words is "three hundred sixty-three million, six hundred forty-three thousand, three hundred thirteen".