225498525 has 24 divisors (see below), whose sum is σ = 426085824. Its totient is φ = 103084800.

The previous prime is 225498491. The next prime is 225498529. The reversal of 225498525 is 525894522.

It is not a de Polignac number, because 225498525 - 2¹⁰ = 225497501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225498529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214236 + ... + 215285.

It is an arithmetic number, because the mean of its divisors is an integer number (17753576).

Almost surely, 2^225498525 is an apocalyptic number.

225498525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225498525 is a deficient number, since it is larger than the sum of its proper divisors (200587299).

225498525 is a wasteful number, since it uses less digits than its factorization.

225498525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429541 (or 429536 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The square root of 225498525 is about 15016.6083054730. The cubic root of 225498525 is about 608.6690726101.

The spelling of 225498525 in words is "two hundred twenty-five million, four hundred ninety-eight thousand, five hundred twenty-five".