225342533 has 4 divisors (see below), whose sum is σ = 242676588. Its totient is φ = 208008480.

The previous prime is 225342521. The next prime is 225342539. The reversal of 225342533 is 335243522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335243522 = 2 ⋅167621761.

It can be written as a sum of positive squares in 2 ways, for example, as 47306884 + 178035649 = 6878^2 + 13343^2 .

It is a cyclic number.

It is not a de Polignac number, because 225342533 - 2¹⁰ = 225341509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225342496 and 225342505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225342539) 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, 8667008 + ... + 8667033.

It is an arithmetic number, because the mean of its divisors is an integer number (60669147).

Almost surely, 2^225342533 is an apocalyptic number.

It is an amenable number.

225342533 is a deficient number, since it is larger than the sum of its proper divisors (17334055).

225342533 is a wasteful number, since it uses less digits than its factorization.

225342533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17334054.

The product of its digits is 21600, while the sum is 29.

The square root of 225342533 is about 15011.4134244581. The cubic root of 225342533 is about 608.5286882355.

The spelling of 225342533 in words is "two hundred twenty-five million, three hundred forty-two thousand, five hundred thirty-three".