255225551 has 8 divisors (see below), whose sum is σ = 291793920. Its totient is φ = 218684088.

The previous prime is 255225497. The next prime is 255225559. The reversal of 255225551 is 155522552.

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

It is not a de Polignac number, because 255225551 - 2¹⁰ = 255224527 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 (255225559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21530 + ... + 31208.

It is an arithmetic number, because the mean of its divisors is an integer number (36474240).

Almost surely, 2^255225551 is an apocalyptic number.

255225551 is a deficient number, since it is larger than the sum of its proper divisors (36568369).

255225551 is an equidigital number, since it uses as much as digits as its factorization.

255225551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13453.

The product of its digits is 25000, while the sum is 32.

The square root of 255225551 is about 15975.7801374456. The cubic root of 255225551 is about 634.3194817616.

The spelling of 255225551 in words is "two hundred fifty-five million, two hundred twenty-five thousand, five hundred fifty-one".