225037124173 has 4 divisors (see below), whose sum is σ = 236881183360. Its totient is φ = 213193064988.

The previous prime is 225037124171. The next prime is 225037124177. The reversal of 225037124173 is 371421730522.

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, and also an emirpimes, since its reverse is a distinct semiprime: 371421730522 = 2 ⋅185710865261.

It is a cyclic number.

It is not a de Polignac number, because 225037124173 - 2¹ = 225037124171 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 (225037124171) 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, 5922029565 + ... + 5922029602.

It is an arithmetic number, because the mean of its divisors is an integer number (59220295840).

Almost surely, 2^225037124173 is an apocalyptic number.

It is an amenable number.

225037124173 is a deficient number, since it is larger than the sum of its proper divisors (11844059187).

225037124173 is a wasteful number, since it uses less digits than its factorization.

225037124173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11844059186.

The product of its (nonzero) digits is 70560, while the sum is 37.

Adding to 225037124173 its reverse (371421730522), we get a palindrome (596458854695).

The spelling of 225037124173 in words is "two hundred twenty-five billion, thirty-seven million, one hundred twenty-four thousand, one hundred seventy-three".