225495543 has 16 divisors (see below), whose sum is σ = 370044416. Its totient is φ = 118942560.

The previous prime is 225495541. The next prime is 225495547. The reversal of 225495543 is 345594522.

It is not a de Polignac number, because 225495543 - 2¹ = 225495541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225495541) 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 15 ways as a sum of consecutive naturals, for example, 412723 + ... + 413268.

It is an arithmetic number, because the mean of its divisors is an integer number (23127776).

Almost surely, 2^225495543 is an apocalyptic number.

225495543 is a deficient number, since it is larger than the sum of its proper divisors (144548873).

225495543 is a wasteful number, since it uses less digits than its factorization.

225495543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826014.

The product of its digits is 216000, while the sum is 39.

The square root of 225495543 is about 15016.5090150807. The cubic root of 225495543 is about 608.6663895782. Note that the first 3 decimals are identical.

The spelling of 225495543 in words is "two hundred twenty-five million, four hundred ninety-five thousand, five hundred forty-three".