225787741 has 2 divisors, whose sum is σ = 225787742. Its totient is φ = 225787740.

The previous prime is 225787729. The next prime is 225787747. The reversal of 225787741 is 147787522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200335716 + 25452025 = 14154^2 + 5045^2 .

It is a cyclic number.

It is not a de Polignac number, because 225787741 - 2¹³ = 225779549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225787747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112893870 + 112893871.

It is an arithmetic number, because the mean of its divisors is an integer number (112893871).

Almost surely, 2^225787741 is an apocalyptic number.

It is an amenable number.

225787741 is a deficient number, since it is larger than the sum of its proper divisors (1).

225787741 is an equidigital number, since it uses as much as digits as its factorization.

225787741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219520, while the sum is 43.

The square root of 225787741 is about 15026.2350906673. The cubic root of 225787741 is about 608.9291801927.

It can be divided in two parts, 2257 and 87741, that added together give a palindrome (89998).

The spelling of 225787741 in words is "two hundred twenty-five million, seven hundred eighty-seven thousand, seven hundred forty-one".