225013 has 4 divisors (see below), whose sum is σ = 227808. Its totient is φ = 222220.

The previous prime is 224993. The next prime is 225023. The reversal of 225013 is 310522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225013 - 2⁹ = 224501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224984 and 225002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273 + ... + 1438.

It is an arithmetic number, because the mean of its divisors is an integer number (56952).

2²²⁵⁰¹³ is an apocalyptic number.

It is an amenable number.

225013 is a deficient number, since it is larger than the sum of its proper divisors (2795).

225013 is an equidigital number, since it uses as much as digits as its factorization.

225013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 225013 is about 474.3553520305. The cubic root of 225013 is about 60.8231913202.

Adding to 225013 its reverse (310522), we get a palindrome (535535).

The spelling of 225013 in words is "two hundred twenty-five thousand, thirteen".