225043625 has 16 divisors (see below), whose sum is σ = 290543760. Its totient is φ = 173824000.

The previous prime is 225043607. The next prime is 225043667. The reversal of 225043625 is 526340522.

It can be written as a sum of positive squares in 8 ways, for example, as 137639824 + 87403801 = 11732^2 + 9349^2 .

It is not a de Polignac number, because 225043625 - 2⁶ = 225043561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27416 + ... + 34665.

It is an arithmetic number, because the mean of its divisors is an integer number (18158985).

Almost surely, 2^225043625 is an apocalyptic number.

225043625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225043625 is a deficient number, since it is larger than the sum of its proper divisors (65500135).

225043625 is an equidigital number, since it uses as much as digits as its factorization.

225043625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62125 (or 62115 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 225043625 is about 15001.4540961868. The cubic root of 225043625 is about 608.2595060633.

The spelling of 225043625 in words is "two hundred twenty-five million, forty-three thousand, six hundred twenty-five".