255224551 has 8 divisors (see below), whose sum is σ = 257270384. Its totient is φ = 253186560.

The previous prime is 255224539. The next prime is 255224609. The reversal of 255224551 is 155422552.

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 255224551 - 2⁷ = 255224423 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 (255224531) 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, 74956 + ... + 78286.

It is an arithmetic number, because the mean of its divisors is an integer number (32158798).

Almost surely, 2^255224551 is an apocalyptic number.

255224551 is a deficient number, since it is larger than the sum of its proper divisors (2045833).

255224551 is a wasteful number, since it uses less digits than its factorization.

255224551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921.

The product of its digits is 20000, while the sum is 31.

The square root of 255224551 is about 15975.7488400388. The cubic root of 255224551 is about 634.3186533175.

The spelling of 255224551 in words is "two hundred fifty-five million, two hundred twenty-four thousand, five hundred fifty-one".