365243 has 4 divisors (see below), whose sum is σ = 367080. Its totient is φ = 363408.

The previous prime is 365231. The next prime is 365249. The reversal of 365243 is 342563.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 365243 - 2⁶ = 365179 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 6⁵ + 2⁵ + 5⁵ + 4² + 3¹¹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (365249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (91770).

2³⁶⁵²⁴³ is an apocalyptic number.

365243 is a deficient number, since it is larger than the sum of its proper divisors (1837).

365243 is a wasteful number, since it uses less digits than its factorization.

365243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836.

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

The square root of 365243 is about 604.3533734497. The cubic root of 365243 is about 71.4815509803.

The spelling of 365243 in words is "three hundred sixty-five thousand, two hundred forty-three".