365455 has 4 divisors (see below), whose sum is σ = 438552. Its totient is φ = 292360.

The previous prime is 365441. The next prime is 365461. The reversal of 365455 is 554563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554563 = 353 ⋅1571.

It is not a de Polignac number, because 365455 - 2⁵ = 365423 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent 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, 36541 + ... + 36550.

It is an arithmetic number, because the mean of its divisors is an integer number (109638).

2³⁶⁵⁴⁵⁵ is an apocalyptic number.

365455 is a deficient number, since it is larger than the sum of its proper divisors (73097).

365455 is an equidigital number, since it uses as much as digits as its factorization.

365455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73096.

The product of its digits is 9000, while the sum is 28.

The square root of 365455 is about 604.5287420793. The cubic root of 365455 is about 71.4953784484.

It can be divided in two parts, 365 and 455, that added together give a triangular number (820 = T₄₀).

The spelling of 365455 in words is "three hundred sixty-five thousand, four hundred fifty-five".