225174525 has 12 divisors (see below), whose sum is σ = 372288672. Its totient is φ = 120093040.

The previous prime is 225174517. The next prime is 225174527. The reversal of 225174525 is 525471522.

It is not a de Polignac number, because 225174525 - 2³ = 225174517 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225174527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1501089 + ... + 1501238.

It is an arithmetic number, because the mean of its divisors is an integer number (31024056).

Almost surely, 2^225174525 is an apocalyptic number.

225174525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225174525 is a deficient number, since it is larger than the sum of its proper divisors (147114147).

225174525 is a wasteful number, since it uses less digits than its factorization.

225174525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002340 (or 3002335 counting only the distinct ones).

The product of its digits is 28000, while the sum is 33.

The square root of 225174525 is about 15005.8163723271. The cubic root of 225174525 is about 608.3774176263.

The spelling of 225174525 in words is "two hundred twenty-five million, one hundred seventy-four thousand, five hundred twenty-five".