235312225 has 6 divisors (see below), whose sum is σ = 291787190. Its totient is φ = 188249760.

The previous prime is 235312223. The next prime is 235312229. The reversal of 235312225 is 522213532.

It can be written as a sum of positive squares in 3 ways, for example, as 27029601 + 208282624 = 5199^2 + 14432^2 .

It is not a de Polignac number, because 235312225 - 2¹ = 235312223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 9412489 = 235312225 / (2 + 3 + 5 + 3 + 1 + 2 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 235312225.

It is not an unprimeable number, because it can be changed into a prime (235312223) 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 5 ways as a sum of consecutive naturals, for example, 4706220 + ... + 4706269.

Almost surely, 2^235312225 is an apocalyptic number.

235312225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235312225 is a deficient number, since it is larger than the sum of its proper divisors (56474965).

235312225 is an equidigital number, since it uses as much as digits as its factorization.

235312225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412499 (or 9412494 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 235312225 is about 15339.8899930867. The cubic root of 235312225 is about 617.3737551092.

Adding to 235312225 its reverse (522213532), we get a palindrome (757525757).

The spelling of 235312225 in words is "two hundred thirty-five million, three hundred twelve thousand, two hundred twenty-five".