225124291 has 8 divisors (see below), whose sum is σ = 259164000. Its totient is φ = 191554368.

The previous prime is 225124283. The next prime is 225124301. The reversal of 225124291 is 192421522.

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 225124291 - 2³ = 225124283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225124241) 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 7 ways as a sum of consecutive naturals, for example, 116416 + ... + 118333.

It is an arithmetic number, because the mean of its divisors is an integer number (32395500).

Almost surely, 2^225124291 is an apocalyptic number.

225124291 is a deficient number, since it is larger than the sum of its proper divisors (34039709).

225124291 is a wasteful number, since it uses less digits than its factorization.

225124291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234893.

The product of its digits is 2880, while the sum is 28.

The square root of 225124291 is about 15004.1424613338. The cubic root of 225124291 is about 608.3321734554.

The spelling of 225124291 in words is "two hundred twenty-five million, one hundred twenty-four thousand, two hundred ninety-one".