225225603257 has 2 divisors, whose sum is σ = 225225603258. Its totient is φ = 225225603256.

The previous prime is 225225603227. The next prime is 225225603319. The reversal of 225225603257 is 752306522522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117734079376 + 107491523881 = 343124^2 + 327859^2 .

It is a cyclic number.

It is not a de Polignac number, because 225225603257 - 2⁶ = 225225603193 is a prime.

It is not a weakly prime, because it can be changed into another prime (225225603227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112612801628 + 112612801629.

It is an arithmetic number, because the mean of its divisors is an integer number (112612801629).

Almost surely, 2^225225603257 is an apocalyptic number.

It is an amenable number.

225225603257 is a deficient number, since it is larger than the sum of its proper divisors (1).

225225603257 is an equidigital number, since it uses as much as digits as its factorization.

225225603257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 225225603257 in words is "two hundred twenty-five billion, two hundred twenty-five million, six hundred three thousand, two hundred fifty-seven".