225003513 has 16 divisors (see below), whose sum is σ = 343489536. Its totient is φ = 128338320.

The previous prime is 225003511. The next prime is 225003553. The reversal of 225003513 is 315300522.

It is not a de Polignac number, because 225003513 - 2¹ = 225003511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225003513.

It is not an unprimeable number, because it can be changed into a prime (225003511) 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 15 ways as a sum of consecutive naturals, for example, 2308 + ... + 21338.

It is an arithmetic number, because the mean of its divisors is an integer number (21468096).

Almost surely, 2^225003513 is an apocalyptic number.

It is an amenable number.

225003513 is a deficient number, since it is larger than the sum of its proper divisors (118486023).

225003513 is a wasteful number, since it uses less digits than its factorization.

225003513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19604.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 225003513 is about 15000.1170995429. The cubic root of 225003513 is about 608.2233649891.

The spelling of 225003513 in words is "two hundred twenty-five million, three thousand, five hundred thirteen".