255655951 has 8 divisors (see below), whose sum is σ = 262682784. Its totient is φ = 248666880.

The previous prime is 255655943. The next prime is 255655969. The reversal of 255655951 is 159556552.

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 255655951 - 2³ = 255655943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255655898 and 255655907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255655901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4566 + ... + 23068.

It is an arithmetic number, because the mean of its divisors is an integer number (32835348).

Almost surely, 2^255655951 is an apocalyptic number.

255655951 is a deficient number, since it is larger than the sum of its proper divisors (7026833).

255655951 is a wasteful number, since it uses less digits than its factorization.

255655951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18881.

The product of its digits is 337500, while the sum is 43.

The square root of 255655951 is about 15989.2448539636. The cubic root of 255655951 is about 634.6758433971.

The spelling of 255655951 in words is "two hundred fifty-five million, six hundred fifty-five thousand, nine hundred fifty-one".