235530 has 24 divisors (see below), whose sum is σ = 612612. Its totient is φ = 62784.

The previous prime is 235523. The next prime is 235537. The reversal of 235530 is 35532.

It is an interprime number because it is at equal distance from previous prime (235523) and next prime (235537).

It can be written as a sum of positive squares in 2 ways, for example, as 221841 + 13689 = 471^2 + 117^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (235537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1219 + ... + 1398.

2²³⁵⁵³⁰ is an apocalyptic number.

235530 is an abundant number, since it is smaller than the sum of its proper divisors (377082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235530 is a wasteful number, since it uses less digits than its factorization.

235530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 235530 is about 485.3143311298. The cubic root of 235530 is about 61.7564150536.

The spelling of 235530 in words is "two hundred thirty-five thousand, five hundred thirty".