225455513 has 8 divisors (see below), whose sum is σ = 238993920. Its totient is φ = 211947840.

The previous prime is 225455509. The next prime is 225455521. The reversal of 225455513 is 315554522.

225455513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 225455513 - 2² = 225455509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225455513.

It is not an unprimeable number, because it can be changed into a prime (225455413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8408 + ... + 22838.

It is an arithmetic number, because the mean of its divisors is an integer number (29874240).

Almost surely, 2^225455513 is an apocalyptic number.

It is an amenable number.

225455513 is a deficient number, since it is larger than the sum of its proper divisors (13538407).

225455513 is a wasteful number, since it uses less digits than its factorization.

225455513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15367.

The product of its digits is 30000, while the sum is 32.

The square root of 225455513 is about 15015.1760895435. The cubic root of 225455513 is about 608.6303705995.

Subtracting 225455513 from its reverse (315554522), we obtain a palindrome (90099009).

The spelling of 225455513 in words is "two hundred twenty-five million, four hundred fifty-five thousand, five hundred thirteen".