225030409 has 4 divisors (see below), whose sum is σ = 225074304. Its totient is φ = 224986516.

The previous prime is 225030371. The next prime is 225030419. The reversal of 225030409 is 904030522.

It is a happy number.

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 225030409 - 2¹¹ = 225028361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225030419) 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, 13057 + ... + 24910.

It is an arithmetic number, because the mean of its divisors is an integer number (56268576).

Almost surely, 2^225030409 is an apocalyptic number.

It is an amenable number.

225030409 is a deficient number, since it is larger than the sum of its proper divisors (43895).

225030409 is an equidigital number, since it uses as much as digits as its factorization.

225030409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43894.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 225030409 is about 15001.0135990872. The cubic root of 225030409 is about 608.2475988683.

The spelling of 225030409 in words is "two hundred twenty-five million, thirty thousand, four hundred nine".