225126543 has 16 divisors (see below), whose sum is σ = 308791296. Its totient is φ = 145810560.

The previous prime is 225126541. The next prime is 225126581. The reversal of 225126543 is 345621522.

It is not a de Polignac number, because 225126543 - 2¹ = 225126541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225126543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225126541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20071 + ... + 29207.

It is an arithmetic number, because the mean of its divisors is an integer number (19299456).

Almost surely, 2^225126543 is an apocalyptic number.

225126543 is a deficient number, since it is larger than the sum of its proper divisors (83664753).

225126543 is a wasteful number, since it uses less digits than its factorization.

225126543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374.

The product of its digits is 14400, while the sum is 30.

The square root of 225126543 is about 15004.2175070878. The cubic root of 225126543 is about 608.3342019045.

The spelling of 225126543 in words is "two hundred twenty-five million, one hundred twenty-six thousand, five hundred forty-three".