255463909 has 8 divisors (see below), whose sum is σ = 258655680. Its totient is φ = 252279456.

The previous prime is 255463889. The next prime is 255463931. The reversal of 255463909 is 909364552.

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 255463909 - 2¹¹ = 255461861 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 (255463939) 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, 107674 + ... + 110020.

It is an arithmetic number, because the mean of its divisors is an integer number (32331960).

Almost surely, 2^255463909 is an apocalyptic number.

It is an amenable number.

255463909 is a deficient number, since it is larger than the sum of its proper divisors (3191771).

255463909 is a wasteful number, since it uses less digits than its factorization.

255463909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 255463909 is about 15983.2383764993. The cubic root of 255463909 is about 634.5168863439.

The spelling of 255463909 in words is "two hundred fifty-five million, four hundred sixty-three thousand, nine hundred nine".