225387 has 12 divisors (see below), whose sum is σ = 330720. Its totient is φ = 147888.

The previous prime is 225383. The next prime is 225427. The reversal of 225387 is 783522.

It is not a de Polignac number, because 225387 - 2² = 225383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225387.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225387.

It is not an unprimeable number, because it can be changed into a prime (225383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 553 + ... + 869.

It is an arithmetic number, because the mean of its divisors is an integer number (27560).

2²²⁵³⁸⁷ is an apocalyptic number.

225387 is a deficient number, since it is larger than the sum of its proper divisors (105333).

225387 is a wasteful number, since it uses less digits than its factorization.

225387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 399 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 225387 is about 474.7494075826. The cubic root of 225387 is about 60.8568712734.

The spelling of 225387 in words is "two hundred twenty-five thousand, three hundred eighty-seven".