225375 has 16 divisors (see below), whose sum is σ = 375648. Its totient is φ = 120000.

The previous prime is 225373. The next prime is 225383. The reversal of 225375 is 573522.

It is not a de Polignac number, because 225375 - 2¹ = 225373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75 + ... + 675.

It is an arithmetic number, because the mean of its divisors is an integer number (23478).

2²²⁵³⁷⁵ is an apocalyptic number.

225375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225375 is a deficient number, since it is larger than the sum of its proper divisors (150273).

225375 is an equidigital number, since it uses as much as digits as its factorization.

225375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 609 counting only the distinct ones).

The product of its digits is 2100, while the sum is 24.

The square root of 225375 is about 474.7367691679. The cubic root of 225375 is about 60.8557912120.

Adding to 225375 its product of digits (2100), we get a triangular number (227475 = T₆₇₄).

Adding to 225375 its reverse (573522), we get a palindrome (798897).

The spelling of 225375 in words is "two hundred twenty-five thousand, three hundred seventy-five".