225545413 has 4 divisors (see below), whose sum is σ = 225633708. Its totient is φ = 225457120.

The previous prime is 225545347. The next prime is 225545417. The reversal of 225545413 is 314545522.

225545413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23251684 + 202293729 = 4822^2 + 14223^2 .

It is a cyclic number.

It is not a de Polignac number, because 225545413 - 2⁹ = 225544901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225545417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40198 + ... + 45463.

It is an arithmetic number, because the mean of its divisors is an integer number (56408427).

Almost surely, 2^225545413 is an apocalyptic number.

It is an amenable number.

225545413 is a deficient number, since it is larger than the sum of its proper divisors (88295).

225545413 is an equidigital number, since it uses as much as digits as its factorization.

225545413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88294.

The product of its digits is 24000, while the sum is 31.

The square root of 225545413 is about 15018.1694290616. The cubic root of 225545413 is about 608.7112566224.

The spelling of 225545413 in words is "two hundred twenty-five million, five hundred forty-five thousand, four hundred thirteen".