225013325 has 12 divisors (see below), whose sum is σ = 281896020. Its totient is φ = 178152960.

The previous prime is 225013319. The next prime is 225013351. The reversal of 225013325 is 523310522.

It can be written as a sum of positive squares in 6 ways, for example, as 38663524 + 186349801 = 6218^2 + 13651^2 .

It is a de Polignac number, because none of the positive numbers 2^k-225013325 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225013325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43970 + ... + 48819.

It is an arithmetic number, because the mean of its divisors is an integer number (23491335).

Almost surely, 2^225013325 is an apocalyptic number.

225013325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225013325 is a deficient number, since it is larger than the sum of its proper divisors (56882695).

225013325 is an equidigital number, since it uses as much as digits as its factorization.

225013325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92896 (or 92891 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 225013325 is about 15000.4441600907. Note that the first 3 decimals coincide. The cubic root of 225013325 is about 608.2322060376.

Adding to 225013325 its reverse (523310522), we get a palindrome (748323847).

The spelling of 225013325 in words is "two hundred twenty-five million, thirteen thousand, three hundred twenty-five".