225315 has 16 divisors (see below), whose sum is σ = 400800. Its totient is φ = 120096.

The previous prime is 225307. The next prime is 225341. The reversal of 225315 is 513522.

It is a happy number.

It is not a de Polignac number, because 225315 - 2³ = 225307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (25050).

2²²⁵³¹⁵ is an apocalyptic number.

225315 is a deficient number, since it is larger than the sum of its proper divisors (175485).

225315 is a wasteful number, since it uses less digits than its factorization.

225315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683 (or 1677 counting only the distinct ones).

The product of its digits is 300, while the sum is 18.

The square root of 225315 is about 474.6735720471. The cubic root of 225315 is about 60.8503903297.

Adding to 225315 its reverse (513522), we get a palindrome (738837).

The spelling of 225315 in words is "two hundred twenty-five thousand, three hundred fifteen".