225025517209 has 32 divisors (see below), whose sum is σ = 237814714368. Its totient is φ = 212674560000.

The previous prime is 225025517191. The next prime is 225025517231. The reversal of 225025517209 is 902715520522.

It is not a de Polignac number, because 225025517209 - 2²³ = 225017128601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225025557209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195503784 + ... + 195504934.

It is an arithmetic number, because the mean of its divisors is an integer number (7431709824).

Almost surely, 2^225025517209 is an apocalyptic number.

It is an amenable number.

225025517209 is a deficient number, since it is larger than the sum of its proper divisors (12789197159).

225025517209 is a wasteful number, since it uses less digits than its factorization.

225025517209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 225025517209 in words is "two hundred twenty-five billion, twenty-five million, five hundred seventeen thousand, two hundred nine".