225610072601 has 4 divisors (see below), whose sum is σ = 225619130292. Its totient is φ = 225601014912.

The previous prime is 225610072579. The next prime is 225610072609. The reversal of 225610072601 is 106270016522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106270016522 = 2 ⋅53135008261.

It can be written as a sum of positive squares in 2 ways, for example, as 36767679001 + 188842393600 = 191749^2 + 434560^2 .

It is a cyclic number.

It is not a de Polignac number, because 225610072601 - 2²² = 225605878297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225610072609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4491380 + ... + 4541333.

It is an arithmetic number, because the mean of its divisors is an integer number (56404782573).

Almost surely, 2^225610072601 is an apocalyptic number.

It is an amenable number.

225610072601 is a deficient number, since it is larger than the sum of its proper divisors (9057691).

225610072601 is an equidigital number, since it uses as much as digits as its factorization.

225610072601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9057690.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 225610072601 in words is "two hundred twenty-five billion, six hundred ten million, seventy-two thousand, six hundred one".