255311029 has 4 divisors (see below), whose sum is σ = 255347820. Its totient is φ = 255274240.

The previous prime is 255310987. The next prime is 255311051. The reversal of 255311029 is 920113552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 114532804 + 140778225 = 10702^2 + 11865^2 .

It is a cyclic number.

It is not a de Polignac number, because 255311029 - 2⁷ = 255310901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255310988 and 255311006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255311129) 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 3 ways as a sum of consecutive naturals, for example, 4474 + ... + 23035.

It is an arithmetic number, because the mean of its divisors is an integer number (63836955).

Almost surely, 2^255311029 is an apocalyptic number.

It is an amenable number.

255311029 is a deficient number, since it is larger than the sum of its proper divisors (36791).

255311029 is an equidigital number, since it uses as much as digits as its factorization.

255311029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36790.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 255311029 is about 15978.4551506083. The cubic root of 255311029 is about 634.3902875105.

The spelling of 255311029 in words is "two hundred fifty-five million, three hundred eleven thousand, twenty-nine".