255544031 has 4 divisors (see below), whose sum is σ = 255580200. Its totient is φ = 255507864.

The previous prime is 255544001. The next prime is 255544049. The reversal of 255544031 is 130445552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255544031 is a prime.

It is a super-2 number, since 2×255544031² = 130605503559457922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255543985 and 255544003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255544001) 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, 3641 + ... + 22898.

It is an arithmetic number, because the mean of its divisors is an integer number (63895050).

Almost surely, 2^255544031 is an apocalyptic number.

255544031 is a deficient number, since it is larger than the sum of its proper divisors (36169).

255544031 is an equidigital number, since it uses as much as digits as its factorization.

255544031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36168.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 255544031 is about 15985.7446182529. The cubic root of 255544031 is about 634.5832146277.

Adding to 255544031 its reverse (130445552), we get a palindrome (385989583).

The spelling of 255544031 in words is "two hundred fifty-five million, five hundred forty-four thousand, thirty-one".