225485573 has 2 divisors, whose sum is σ = 225485574. Its totient is φ = 225485572.

The previous prime is 225485549. The next prime is 225485639. The reversal of 225485573 is 375584522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181899169 + 43586404 = 13487^2 + 6602^2 .

It is a cyclic number.

It is not a de Polignac number, because 225485573 - 2⁶ = 225485509 is a prime.

It is a super-2 number, since 2×225485573² = 101687487262276658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225485573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225485543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112742786 + 112742787.

It is an arithmetic number, because the mean of its divisors is an integer number (112742787).

Almost surely, 2^225485573 is an apocalyptic number.

It is an amenable number.

225485573 is a deficient number, since it is larger than the sum of its proper divisors (1).

225485573 is an equidigital number, since it uses as much as digits as its factorization.

225485573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336000, while the sum is 41.

The square root of 225485573 is about 15016.1770434422. The cubic root of 225485573 is about 608.6574189747.

The spelling of 225485573 in words is "two hundred twenty-five million, four hundred eighty-five thousand, five hundred seventy-three".