225610543 has 4 divisors (see below), whose sum is σ = 225813640. Its totient is φ = 225407448.

The previous prime is 225610531. The next prime is 225610549. The reversal of 225610543 is 345016522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345016522 = 2 ⋅172508261.

It is a cyclic number.

It is not a de Polignac number, because 225610543 - 2²¹ = 223513391 is a prime.

It is a super-2 number, since 2×225610543² = 101800234225509698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225610549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99873 + ... + 102106.

It is an arithmetic number, because the mean of its divisors is an integer number (56453410).

Almost surely, 2^225610543 is an apocalyptic number.

225610543 is a deficient number, since it is larger than the sum of its proper divisors (203097).

225610543 is a wasteful number, since it uses less digits than its factorization.

225610543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203096.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 225610543 is about 15020.3376460052. The cubic root of 225610543 is about 608.7698428263.

The spelling of 225610543 in words is "two hundred twenty-five million, six hundred ten thousand, five hundred forty-three".