235501225 has 6 divisors (see below), whose sum is σ = 292021550. Its totient is φ = 188400960.

The previous prime is 235501223. The next prime is 235501237. The reversal of 235501225 is 522105532.

It is a happy number.

235501225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 11370384 + 224130841 = 3372^2 + 14971^2 .

It is not a de Polignac number, because 235501225 - 2¹ = 235501223 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: 9420049 = 235501225 / (2 + 3 + 5 + 5 + 0 + 1 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 235501225.

It is not an unprimeable number, because it can be changed into a prime (235501223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4710000 + ... + 4710049.

Almost surely, 2^235501225 is an apocalyptic number.

235501225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235501225 is a deficient number, since it is larger than the sum of its proper divisors (56520325).

235501225 is an equidigital number, since it uses as much as digits as its factorization.

235501225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9420059 (or 9420054 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 235501225 is about 15346.0491658277. The cubic root of 235501225 is about 617.5389999791.

Adding to 235501225 its reverse (522105532), we get a palindrome (757606757).

The spelling of 235501225 in words is "two hundred thirty-five million, five hundred one thousand, two hundred twenty-five".