225027505 has 8 divisors (see below), whose sum is σ = 270122112. Its totient is φ = 179962608.

The previous prime is 225027503. The next prime is 225027529. The reversal of 225027505 is 505720522.

225027505 is a nontrivial binomial coefficient, being equal to C(21215, 2).

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 225027505 - 2¹ = 225027503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225027503) 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, 15912 + ... + 26518.

It is an arithmetic number, because the mean of its divisors is an integer number (33765264).

Almost surely, 2^225027505 is an apocalyptic number.

225027505 is the 21214-th triangular number.

225027505 is the 7072-nd centered nonagonal number.

It is an amenable number.

225027505 is a deficient number, since it is larger than the sum of its proper divisors (45094607).

225027505 is a wasteful number, since it uses less digits than its factorization.

225027505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14855.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 225027505 is about 15000.9168053156. The cubic root of 225027505 is about 608.2449823943.

The spelling of 225027505 in words is "two hundred twenty-five million, twenty-seven thousand, five hundred five".