365530 has 16 divisors (see below), whose sum is σ = 717984. Its totient is φ = 132880.

The previous prime is 365527. The next prime is 365531. The reversal of 365530 is 35563.

It is a super-2 number, since 2×365530² = 267224361800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (365531) 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 7 ways as a sum of consecutive naturals, for example, 1552 + ... + 1771.

It is an arithmetic number, because the mean of its divisors is an integer number (44874).

2³⁶⁵⁵³⁰ is an apocalyptic number.

365530 is a deficient number, since it is larger than the sum of its proper divisors (352454).

365530 is a wasteful number, since it uses less digits than its factorization.

365530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341.

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

The square root of 365530 is about 604.5907706871. The cubic root of 365530 is about 71.5002689608.

The spelling of 365530 in words is "three hundred sixty-five thousand, five hundred thirty".