225135232033 has 4 divisors (see below), whose sum is σ = 225136763668. Its totient is φ = 225133700400.

The previous prime is 225135231983. The next prime is 225135232057. The reversal of 225135232033 is 330232531522.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 194884282849 + 30250949184 = 441457^2 + 173928^2 .

It is a cyclic number.

It is not a de Polignac number, because 225135232033 - 2²⁹ = 224598361121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225135231986 and 225135232004.

It is not an unprimeable number, because it can be changed into a prime (225135232633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518766 + ... + 848167.

It is an arithmetic number, because the mean of its divisors is an integer number (56284190917).

Almost surely, 2^225135232033 is an apocalyptic number.

It is an amenable number.

225135232033 is a deficient number, since it is larger than the sum of its proper divisors (1531635).

225135232033 is a wasteful number, since it uses less digits than its factorization.

225135232033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531634.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 225135232033 its reverse (330232531522), we get a palindrome (555367763555).

The spelling of 225135232033 in words is "two hundred twenty-five billion, one hundred thirty-five million, two hundred thirty-two thousand, thirty-three".