225113513 has 8 divisors (see below), whose sum is σ = 233986368. Its totient is φ = 216387504.

The previous prime is 225113477. The next prime is 225113519. The reversal of 225113513 is 315311522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225113513 - 2⁸ = 225113257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225113519) 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 7 ways as a sum of consecutive naturals, for example, 33581 + ... + 39722.

It is an arithmetic number, because the mean of its divisors is an integer number (29248296).

Almost surely, 2^225113513 is an apocalyptic number.

It is an amenable number.

225113513 is a deficient number, since it is larger than the sum of its proper divisors (8872855).

225113513 is an equidigital number, since it uses as much as digits as its factorization.

225113513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73423.

The product of its digits is 900, while the sum is 23.

The square root of 225113513 is about 15003.7832895573. The cubic root of 225113513 is about 608.3224651756.

The spelling of 225113513 in words is "two hundred twenty-five million, one hundred thirteen thousand, five hundred thirteen".