225031293 has 6 divisors (see below), whose sum is σ = 325045214. Its totient is φ = 150020856.

The previous prime is 225031291. The next prime is 225031319. The reversal of 225031293 is 392130522.

It can be written as a sum of positive squares in only one way, i.e., 150847524 + 74183769 = 12282^2 + 8613^2 .

It is not a de Polignac number, because 225031293 - 2¹ = 225031291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225031291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12501730 + ... + 12501747.

Almost surely, 2^225031293 is an apocalyptic number.

It is an amenable number.

225031293 is a deficient number, since it is larger than the sum of its proper divisors (100013921).

225031293 is a wasteful number, since it uses less digits than its factorization.

225031293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003483 (or 25003480 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 225031293 is about 15001.0430637339. The cubic root of 225031293 is about 608.2483953387.

The spelling of 225031293 in words is "two hundred twenty-five million, thirty-one thousand, two hundred ninety-three".