356243 has 2 divisors, whose sum is σ = 356244. Its totient is φ = 356242.

The previous prime is 356219. The next prime is 356261. The reversal of 356243 is 342653.

Added to its reverse (342653) it gives a square (698896 = 836²).

It is a strong prime.

It is an emirp because it is prime and its reverse (342653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 356243 - 2¹⁶ = 290707 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3¹¹ + 5³ + 2⁹ + 6⁴ + 4² + 3¹¹ .

It is not a weakly prime, because it can be changed into another prime (356263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178121 + 178122.

It is an arithmetic number, because the mean of its divisors is an integer number (178122).

2³⁵⁶²⁴³ is an apocalyptic number.

356243 is a deficient number, since it is larger than the sum of its proper divisors (1).

356243 is an equidigital number, since it uses as much as digits as its factorization.

356243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 356243 is about 596.8609553321. The cubic root of 356243 is about 70.8895326391.

Adding to 356243 its reverse (342653), we get a palindrome (698896).

The spelling of 356243 in words is "three hundred fifty-six thousand, two hundred forty-three".