363505 has 4 divisors (see below), whose sum is σ = 436212. Its totient is φ = 290800.

The previous prime is 363497. The next prime is 363523. The reversal of 363505 is 505363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505363 = 79 ⋅6397.

It can be written as a sum of positive squares in 2 ways, for example, as 159201 + 204304 = 399^2 + 452^2 .

It is not a de Polignac number, because 363505 - 2³ = 363497 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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, 36346 + ... + 36355.

It is an arithmetic number, because the mean of its divisors is an integer number (109053).

2³⁶³⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

363505 is a deficient number, since it is larger than the sum of its proper divisors (72707).

363505 is an equidigital number, since it uses as much as digits as its factorization.

363505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72706.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 363505 is about 602.9137583436. The cubic root of 363505 is about 71.3679895847.

Adding to 363505 its reverse (505363), we get a palindrome (868868).

It can be divided in two parts, 363 and 505, that multiplied together give a triangular number (183315 = T₆₀₅).

The spelling of 363505 in words is "three hundred sixty-three thousand, five hundred five".