225624265025 has 6 divisors (see below), whose sum is σ = 279774088662. Its totient is φ = 180499412000.

The previous prime is 225624264997. The next prime is 225624265091. The reversal of 225624265025 is 520562426522.

It can be written as a sum of positive squares in 3 ways, for example, as 1449477184 + 224174787841 = 38072^2 + 473471^2 .

It is not a de Polignac number, because 225624265025 - 2¹² = 225624260929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4512485276 + ... + 4512485325.

It is an arithmetic number, because the mean of its divisors is an integer number (46629014777).

Almost surely, 2^225624265025 is an apocalyptic number.

225624265025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225624265025 is a deficient number, since it is larger than the sum of its proper divisors (54149823637).

225624265025 is an equidigital number, since it uses as much as digits as its factorization.

225624265025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9024970611 (or 9024970606 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 225624265025 in words is "two hundred twenty-five billion, six hundred twenty-four million, two hundred sixty-five thousand, twenty-five".