225465853 has 4 divisors (see below), whose sum is σ = 225495900. Its totient is φ = 225435808.

The previous prime is 225465841. The next prime is 225465871. The reversal of 225465853 is 358564522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 206123449 + 19342404 = 14357^2 + 4398^2 .

It is a cyclic number.

It is not a de Polignac number, because 225465853 - 2⁹ = 225465341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225465893) 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 3 ways as a sum of consecutive naturals, for example, 6801 + ... + 22297.

It is an arithmetic number, because the mean of its divisors is an integer number (56373975).

Almost surely, 2^225465853 is an apocalyptic number.

It is an amenable number.

225465853 is a deficient number, since it is larger than the sum of its proper divisors (30047).

225465853 is a wasteful number, since it uses less digits than its factorization.

225465853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30046.

The product of its digits is 288000, while the sum is 40.

The square root of 225465853 is about 15015.5204039021. The cubic root of 225465853 is about 608.6396749360.

The spelling of 225465853 in words is "two hundred twenty-five million, four hundred sixty-five thousand, eight hundred fifty-three".