225113553 has 16 divisors (see below), whose sum is σ = 381144960. Its totient is φ = 128636208.

The previous prime is 225113549. The next prime is 225113563. The reversal of 225113553 is 355311522.

It is a happy number.

It is not a de Polignac number, because 225113553 - 2² = 225113549 is a prime.

It is a super-2 number, since 2×225113553² = 101352223488567618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (225113533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595350 + ... + 595727.

It is an arithmetic number, because the mean of its divisors is an integer number (23821560).

Almost surely, 2^225113553 is an apocalyptic number.

It is an amenable number.

225113553 is a deficient number, since it is larger than the sum of its proper divisors (156031407).

225113553 is a wasteful number, since it uses less digits than its factorization.

225113553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191093 (or 1191087 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 225113553 is about 15003.7846225544. The cubic root of 225113553 is about 608.3225012062.

The spelling of 225113553 in words is "two hundred twenty-five million, one hundred thirteen thousand, five hundred fifty-three".