225952481 has 2 divisors, whose sum is σ = 225952482. Its totient is φ = 225952480.

The previous prime is 225952471. The next prime is 225952511. The reversal of 225952481 is 184259522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148230625 + 77721856 = 12175^2 + 8816^2 .

It is a cyclic number.

It is not a de Polignac number, because 225952481 - 2⁶ = 225952417 is a prime.

It is a super-2 number, since 2×225952481² = 102109047340110722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225952471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112976240 + 112976241.

It is an arithmetic number, because the mean of its divisors is an integer number (112976241).

Almost surely, 2^225952481 is an apocalyptic number.

It is an amenable number.

225952481 is a deficient number, since it is larger than the sum of its proper divisors (1).

225952481 is an equidigital number, since it uses as much as digits as its factorization.

225952481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The square root of 225952481 is about 15031.7158368564. The cubic root of 225952481 is about 609.0772404981.

The spelling of 225952481 in words is "two hundred twenty-five million, nine hundred fifty-two thousand, four hundred eighty-one".