365775 has 12 divisors (see below), whose sum is σ = 604872. Its totient is φ = 195040.

The previous prime is 365773. The next prime is 365779. The reversal of 365775 is 577563.

It is a happy number.

It is not a de Polignac number, because 365775 - 2¹ = 365773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365773) 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 11 ways as a sum of consecutive naturals, for example, 2364 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (50406).

2³⁶⁵⁷⁷⁵ is an apocalyptic number.

365775 is a deficient number, since it is larger than the sum of its proper divisors (239097).

365775 is a wasteful number, since it uses less digits than its factorization.

365775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4890 (or 4885 counting only the distinct ones).

The product of its digits is 22050, while the sum is 33.

The square root of 365775 is about 604.7933531381. The cubic root of 365775 is about 71.5162399742.

The spelling of 365775 in words is "three hundred sixty-five thousand, seven hundred seventy-five".