225788653 has 2 divisors, whose sum is σ = 225788654. Its totient is φ = 225788652.

The previous prime is 225788603. The next prime is 225788699. The reversal of 225788653 is 356887522.

It is a happy number.

It is an a-pointer prime, because the next prime (225788699) can be obtained adding 225788653 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126945289 + 98843364 = 11267^2 + 9942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225788653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225788603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112894326 + 112894327.

It is an arithmetic number, because the mean of its divisors is an integer number (112894327).

Almost surely, 2^225788653 is an apocalyptic number.

It is an amenable number.

225788653 is a deficient number, since it is larger than the sum of its proper divisors (1).

225788653 is an equidigital number, since it uses as much as digits as its factorization.

225788653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 46.

The square root of 225788653 is about 15026.2654375597. The cubic root of 225788653 is about 608.9300000522.

The spelling of 225788653 in words is "two hundred twenty-five million, seven hundred eighty-eight thousand, six hundred fifty-three".