225013505 has 8 divisors (see below), whose sum is σ = 270253824. Its totient is φ = 179852400.

The previous prime is 225013457. The next prime is 225013511. The reversal of 225013505 is 505310522.

225013505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 225013505 - 2⁶ = 225013441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13361 + ... + 25070.

It is an arithmetic number, because the mean of its divisors is an integer number (33781728).

Almost surely, 2^225013505 is an apocalyptic number.

It is an amenable number.

225013505 is a deficient number, since it is larger than the sum of its proper divisors (45240319).

225013505 is a wasteful number, since it uses less digits than its factorization.

225013505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39607.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 225013505 is about 15000.4501599119. The cubic root of 225013505 is about 608.2323682232.

The spelling of 225013505 in words is "two hundred twenty-five million, thirteen thousand, five hundred five".