255689411 has 4 divisors (see below), whose sum is σ = 256267032. Its totient is φ = 255111792.

The previous prime is 255689393. The next prime is 255689419. The reversal of 255689411 is 114986552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255689411 - 2¹⁰ = 255688387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255689419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288146 + ... + 289031.

It is an arithmetic number, because the mean of its divisors is an integer number (64066758).

Almost surely, 2^255689411 is an apocalyptic number.

255689411 is a deficient number, since it is larger than the sum of its proper divisors (577621).

255689411 is an equidigital number, since it uses as much as digits as its factorization.

255689411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577620.

The product of its digits is 86400, while the sum is 41.

The square root of 255689411 is about 15990.2911480686. The cubic root of 255689411 is about 634.7035307731.

The spelling of 255689411 in words is "two hundred fifty-five million, six hundred eighty-nine thousand, four hundred eleven".