225263025 has 120 divisors (see below), whose sum is σ = 462123200. Its totient is φ = 107775360.

The previous prime is 225263023. The next prime is 225263029. The reversal of 225263025 is 520362522.

225263025 is a `hidden beast` number, since 2 + 2 + 5 + 2 + 630 + 25 = 666.

It is not a de Polignac number, because 225263025 - 2¹ = 225263023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225263025.

It is not an unprimeable number, because it can be changed into a prime (225263023) 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 119 ways as a sum of consecutive naturals, for example, 1131876 + ... + 1132074.

Almost surely, 2^225263025 is an apocalyptic number.

225263025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225263025 is an abundant number, since it is smaller than the sum of its proper divisors (236860175).

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

225263025 is a wasteful number, since it uses less digits than its factorization.

225263025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 225263025 is about 15008.7649391947. The cubic root of 225263025 is about 608.4571104028.

The spelling of 225263025 in words is "two hundred twenty-five million, two hundred sixty-three thousand, twenty-five".