225132405 has 8 divisors (see below), whose sum is σ = 360211872. Its totient is φ = 120070608.

The previous prime is 225132403. The next prime is 225132421. The reversal of 225132405 is 504231522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225132405 - 2¹ = 225132403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225132403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7504399 + ... + 7504428.

It is an arithmetic number, because the mean of its divisors is an integer number (45026484).

Almost surely, 2^225132405 is an apocalyptic number.

It is an amenable number.

225132405 is a deficient number, since it is larger than the sum of its proper divisors (135079467).

225132405 is a wasteful number, since it uses less digits than its factorization.

225132405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15008835.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225132405 is about 15004.4128508916. The cubic root of 225132405 is about 608.3394819336.

Adding to 225132405 its reverse (504231522), we get a palindrome (729363927).

The spelling of 225132405 in words is "two hundred twenty-five million, one hundred thirty-two thousand, four hundred five".