225057601 has 2 divisors, whose sum is σ = 225057602. Its totient is φ = 225057600.

The previous prime is 225057587. The next prime is 225057619. The reversal of 225057601 is 106750522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152399025 + 72658576 = 12345^2 + 8524^2 .

It is a cyclic number.

It is not a de Polignac number, because 225057601 - 2⁷ = 225057473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225057601.

It is not a weakly prime, because it can be changed into another prime (225057631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112528800 + 112528801.

It is an arithmetic number, because the mean of its divisors is an integer number (112528801).

Almost surely, 2^225057601 is an apocalyptic number.

It is an amenable number.

225057601 is a deficient number, since it is larger than the sum of its proper divisors (1).

225057601 is an equidigital number, since it uses as much as digits as its factorization.

225057601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 225057601 is about 15001.9199104648. The cubic root of 225057601 is about 608.2720974870.

The spelling of 225057601 in words is "two hundred twenty-five million, fifty-seven thousand, six hundred one".