255305641 has 8 divisors (see below), whose sum is σ = 269704800. Its totient is φ = 241002720.

The previous prime is 255305639. The next prime is 255305653. The reversal of 255305641 is 146503552.

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 255305641 - 2¹ = 255305639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255305741) 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, 18571 + ... + 29248.

It is an arithmetic number, because the mean of its divisors is an integer number (33713100).

Almost surely, 2^255305641 is an apocalyptic number.

It is an amenable number.

255305641 is a deficient number, since it is larger than the sum of its proper divisors (14399159).

255305641 is a wasteful number, since it uses less digits than its factorization.

255305641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48119.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 255305641 is about 15978.2865476871. The cubic root of 255305641 is about 634.3858248244.

The spelling of 255305641 in words is "two hundred fifty-five million, three hundred five thousand, six hundred forty-one".