225051243 has 8 divisors (see below), whose sum is σ = 301324800. Its totient is φ = 149405928.

The previous prime is 225051241. The next prime is 225051259. The reversal of 225051243 is 342150522.

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

It is not a de Polignac number, because 225051243 - 2¹ = 225051241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225051241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156223 + ... + 157656.

It is an arithmetic number, because the mean of its divisors is an integer number (37665600).

Almost surely, 2^225051243 is an apocalyptic number.

225051243 is a deficient number, since it is larger than the sum of its proper divisors (76273557).

225051243 is a wasteful number, since it uses less digits than its factorization.

225051243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314121.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225051243 is about 15001.7080027576. The cubic root of 225051243 is about 608.2663694269.

The spelling of 225051243 in words is "two hundred twenty-five million, fifty-one thousand, two hundred forty-three".