233245 has 4 divisors (see below), whose sum is σ = 279900. Its totient is φ = 186592.

The previous prime is 233239. The next prime is 233251. The reversal of 233245 is 542332.

233245 = 341² + 342².

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (233239) and next prime (233251).

It can be written as a sum of positive squares in 2 ways, for example, as 116964 + 116281 = 342^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 233245 - 2⁷ = 233117 is a prime.

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, 23320 + ... + 23329.

It is an arithmetic number, because the mean of its divisors is an integer number (69975).

2²³³²⁴⁵ is an apocalyptic number.

233245 is the 342-nd centered square number.

It is an amenable number.

233245 is a deficient number, since it is larger than the sum of its proper divisors (46655).

233245 is an equidigital number, since it uses as much as digits as its factorization.

233245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46654.

The product of its digits is 720, while the sum is 19.

The square root of 233245 is about 482.9544491979. The cubic root of 233245 is about 61.5560552660.

Adding to 233245 its reverse (542332), we get a palindrome (775577).

The spelling of 233245 in words is "two hundred thirty-three thousand, two hundred forty-five".