225125553 has 8 divisors (see below), whose sum is σ = 300292416. Its totient is φ = 150021200.

The previous prime is 225125531. The next prime is 225125569. The reversal of 225125553 is 355521522.

225125553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225125553 - 2⁶ = 225125489 is a prime.

It is a super-2 number, since 2×225125553² = 101363029227111618, 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 225125553.

It is not an unprimeable number, because it can be changed into a prime (225125573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6453 + ... + 22178.

It is an arithmetic number, because the mean of its divisors is an integer number (37536552).

Almost surely, 2^225125553 is an apocalyptic number.

It is an amenable number.

225125553 is a deficient number, since it is larger than the sum of its proper divisors (75166863).

225125553 is a wasteful number, since it uses less digits than its factorization.

225125553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31255.

The product of its digits is 15000, while the sum is 30.

The square root of 225125553 is about 15004.1845163274. The cubic root of 225125553 is about 608.3333101812. Note that the first 4 decimals are identical.

The spelling of 225125553 in words is "two hundred twenty-five million, one hundred twenty-five thousand, five hundred fifty-three".