225660543 has 8 divisors (see below), whose sum is σ = 301968048. Its totient is φ = 149896704.

The previous prime is 225660541. The next prime is 225660553. The reversal of 225660543 is 345066522.

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

It is not a de Polignac number, because 225660543 - 2¹ = 225660541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225660541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134946 + ... + 136607.

It is an arithmetic number, because the mean of its divisors is an integer number (37746006).

Almost surely, 2^225660543 is an apocalyptic number.

225660543 is a deficient number, since it is larger than the sum of its proper divisors (76307505).

225660543 is a wasteful number, since it uses less digits than its factorization.

225660543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271833.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 225660543 is about 15022.0019637863. The cubic root of 225660543 is about 608.8148115342.

The spelling of 225660543 in words is "two hundred twenty-five million, six hundred sixty thousand, five hundred forty-three".