225673452601 has 3 divisors (see below), whose sum is σ = 225673927653. Its totient is φ = 225672977550.

The previous prime is 225673452593. The next prime is 225673452649. The reversal of 225673452601 is 106254376522.

The square root of 225673452601 is 475051.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 225673452601 - 2³ = 225673452593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225673452401) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 237526 + ... + 712576.

It is an arithmetic number, because the mean of its divisors is an integer number (75224642551).

Almost surely, 2^225673452601 is an apocalyptic number.

225673452601 is the 475051-st square number.

225673452601 is the 237526-th centered octagonal number.

It is an amenable number.

225673452601 is a deficient number, since it is larger than the sum of its proper divisors (475052).

225673452601 is an frugal number, since it uses more digits than its factorization.

225673452601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950102 (or 475051 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 225673452601 in words is "two hundred twenty-five billion, six hundred seventy-three million, four hundred fifty-two thousand, six hundred one".