225003553 has 2 divisors, whose sum is σ = 225003554. Its totient is φ = 225003552.

The previous prime is 225003511. The next prime is 225003589. The reversal of 225003553 is 355300522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223592209 + 1411344 = 14953^2 + 1188^2 .

It is a cyclic number.

It is not a de Polignac number, because 225003553 - 2²¹ = 222906401 is a prime.

It is not a weakly prime, because it can be changed into another prime (225003853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112501776 + 112501777.

It is an arithmetic number, because the mean of its divisors is an integer number (112501777).

Almost surely, 2^225003553 is an apocalyptic number.

It is an amenable number.

225003553 is a deficient number, since it is larger than the sum of its proper divisors (1).

225003553 is an equidigital number, since it uses as much as digits as its factorization.

225003553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 225003553 is about 15000.1184328658. The cubic root of 225003553 is about 608.2234010314.

The spelling of 225003553 in words is "two hundred twenty-five million, three thousand, five hundred fifty-three".