255236641 has 4 divisors (see below), whose sum is σ = 278439984. Its totient is φ = 232033300.

The previous prime is 255236573. The next prime is 255236651. The reversal of 255236641 is 146632552.

255236641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255236641 - 2¹¹ = 255234593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255236597 and 255236606.

It is not an unprimeable number, because it can be changed into a prime (255236651) 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, 11601655 + ... + 11601676.

It is an arithmetic number, because the mean of its divisors is an integer number (69609996).

Almost surely, 2^255236641 is an apocalyptic number.

It is an amenable number.

255236641 is a deficient number, since it is larger than the sum of its proper divisors (23203343).

255236641 is a wasteful number, since it uses less digits than its factorization.

255236641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23203342.

The product of its digits is 43200, while the sum is 34.

The square root of 255236641 is about 15976.1272215766. The cubic root of 255236641 is about 634.3286690617.

It can be divided in two parts, 2552 and 36641, that added together give a palindrome (39193).

The spelling of 255236641 in words is "two hundred fifty-five million, two hundred thirty-six thousand, six hundred forty-one".