225042545250 has 48 divisors (see below), whose sum is σ = 608515048440. Its totient is φ = 60011344800.

The previous prime is 225042545219. The next prime is 225042545269. The reversal of 225042545250 is 52545240522.

225042545250 is a `hidden beast` number, since 2 + 2 + 50 + 42 + 545 + 25 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28601236161 + 196441309089 = 169119^2 + 443217^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50007205 + ... + 50011704.

Almost surely, 2^225042545250 is an apocalyptic number.

225042545250 is an abundant number, since it is smaller than the sum of its proper divisors (383472503190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225042545250 is a wasteful number, since it uses less digits than its factorization.

225042545250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100018932 (or 100018919 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

Adding to 225042545250 its reverse (52545240522), we get a palindrome (277587785772).

The spelling of 225042545250 in words is "two hundred twenty-five billion, forty-two million, five hundred forty-five thousand, two hundred fifty".