355663243 has 8 divisors (see below), whose sum is σ = 383535936. Its totient is φ = 327864000.

The previous prime is 355663193. The next prime is 355663267. The reversal of 355663243 is 342366553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355663243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355669243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8083 + ... + 27868.

It is an arithmetic number, because the mean of its divisors is an integer number (47941992).

Almost surely, 2^355663243 is an apocalyptic number.

355663243 is a deficient number, since it is larger than the sum of its proper divisors (27872693).

355663243 is a wasteful number, since it uses less digits than its factorization.

355663243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36725.

The product of its digits is 194400, while the sum is 37.

The square root of 355663243 is about 18859.0361100455. The cubic root of 355663243 is about 708.5105607683.

It can be divided in two parts, 35566 and 3243, that added together give a square (38809 = 197²).

The spelling of 355663243 in words is "three hundred fifty-five million, six hundred sixty-three thousand, two hundred forty-three".