255434551 has 8 divisors (see below), whose sum is σ = 262306800. Its totient is φ = 248592960.

The previous prime is 255434549. The next prime is 255434561. The reversal of 255434551 is 155434552.

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 255434551 - 2¹ = 255434549 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 (255434521) 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, 9745 + ... + 24613.

It is an arithmetic number, because the mean of its divisors is an integer number (32788350).

Almost surely, 2^255434551 is an apocalyptic number.

255434551 is a deficient number, since it is larger than the sum of its proper divisors (6872249).

255434551 is a wasteful number, since it uses less digits than its factorization.

255434551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15329.

The product of its digits is 60000, while the sum is 34.

The square root of 255434551 is about 15982.3199504953. The cubic root of 255434551 is about 634.4925791134.

Subtracting from 255434551 its reverse (155434552), we obtain a palindrome (99999999).

The spelling of 255434551 in words is "two hundred fifty-five million, four hundred thirty-four thousand, five hundred fifty-one".