225765535 has 4 divisors (see below), whose sum is σ = 270918648. Its totient is φ = 180612424.

The previous prime is 225765521. The next prime is 225765541. The reversal of 225765535 is 535567522.

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

It is a cyclic number.

It is not a de Polignac number, because 225765535 - 2⁵ = 225765503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22576549 + ... + 22576558.

It is an arithmetic number, because the mean of its divisors is an integer number (67729662).

Almost surely, 2^225765535 is an apocalyptic number.

225765535 is a deficient number, since it is larger than the sum of its proper divisors (45153113).

225765535 is an equidigital number, since it uses as much as digits as its factorization.

225765535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45153112.

The product of its digits is 315000, while the sum is 40.

The square root of 225765535 is about 15025.4961648526. The cubic root of 225765535 is about 608.9092170116.

The spelling of 225765535 in words is "two hundred twenty-five million, seven hundred sixty-five thousand, five hundred thirty-five".