225030973 has 4 divisors (see below), whose sum is σ = 225179488. Its totient is φ = 224882460.

The previous prime is 225030943. The next prime is 225030977. The reversal of 225030973 is 379030522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225030973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225030977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71961 + ... + 75022.

It is an arithmetic number, because the mean of its divisors is an integer number (56294872).

Almost surely, 2^225030973 is an apocalyptic number.

It is an amenable number.

225030973 is a deficient number, since it is larger than the sum of its proper divisors (148515).

225030973 is a wasteful number, since it uses less digits than its factorization.

225030973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148514.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 225030973 is about 15001.0323978052. The cubic root of 225030973 is about 608.2481070238.

The spelling of 225030973 in words is "two hundred twenty-five million, thirty thousand, nine hundred seventy-three".