225150025 has 9 divisors (see below), whose sum is σ = 279279093. Its totient is φ = 180060000.

The previous prime is 225150011. The next prime is 225150043. The reversal of 225150025 is 520051522.

The square root of 225150025 is 15005.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2424249 + 222725776 = 1557^2 + 14924^2 .

It is not a de Polignac number, because 225150025 - 2¹¹ = 225147977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225149978 and 225150005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 73525 + ... + 76525.

Almost surely, 2^225150025 is an apocalyptic number.

225150025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225150025 is the 15005-th square number.

225150025 is the 7503-rd centered octagonal number.

It is an amenable number.

225150025 is a deficient number, since it is larger than the sum of its proper divisors (54129068).

225150025 is an frugal number, since it uses more digits than its factorization.

225150025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012 (or 3006 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The cubic root of 225150025 is about 608.3553520939.

The spelling of 225150025 in words is "two hundred twenty-five million, one hundred fifty thousand, twenty-five".