225413 has 4 divisors (see below), whose sum is σ = 226368. Its totient is φ = 224460.

The previous prime is 225383. The next prime is 225427. The reversal of 225413 is 314522.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 225413 - 2⁶ = 225349 is a prime.

It is a super-2 number, since 2×225413² = 101622041138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225391 and 225400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170 + ... + 692.

It is an arithmetic number, because the mean of its divisors is an integer number (56592).

2²²⁵⁴¹³ is an apocalyptic number.

It is an amenable number.

225413 is a deficient number, since it is larger than the sum of its proper divisors (955).

225413 is an equidigital number, since it uses as much as digits as its factorization.

225413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954.

The product of its digits is 240, while the sum is 17.

The square root of 225413 is about 474.7767896602. The cubic root of 225413 is about 60.8592112750.

Adding to 225413 its reverse (314522), we get a palindrome (539935).

The spelling of 225413 in words is "two hundred twenty-five thousand, four hundred thirteen".