225525533163 has 16 divisors (see below), whose sum is σ = 351650002176. Its totient is φ = 125874715680.

The previous prime is 225525533159. The next prime is 225525533173. The reversal of 225525533163 is 361335525522.

It is a happy number.

225525533163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225525533163 - 2² = 225525533159 is a prime.

It is a super-2 number, since 2×225525533163² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225525533143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124874808 + ... + 124876613.

It is an arithmetic number, because the mean of its divisors is an integer number (21978125136).

Almost surely, 2^225525533163 is an apocalyptic number.

225525533163 is a deficient number, since it is larger than the sum of its proper divisors (126124469013).

225525533163 is a wasteful number, since it uses less digits than its factorization.

225525533163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249751474.

The product of its digits is 810000, while the sum is 42.

The spelling of 225525533163 in words is "two hundred twenty-five billion, five hundred twenty-five million, five hundred thirty-three thousand, one hundred sixty-three".