255272641 has 6 divisors (see below), whose sum is σ = 276419670. Its totient is φ = 235636128.

The previous prime is 255272627. The next prime is 255272687. The reversal of 255272641 is 146272552.

It can be written as a sum of positive squares in 3 ways, for example, as 24354225 + 230918416 = 4935^2 + 15196^2 .

It is not a de Polignac number, because 255272641 - 2⁵ = 255272609 is a prime.

It is a super-2 number, since 2×255272641² = 130328242486229762, 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 = 255272597 and 255272606.

It is not an unprimeable number, because it can be changed into a prime (255272041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 755076 + ... + 755413.

It is an arithmetic number, because the mean of its divisors is an integer number (46069945).

Almost surely, 2^255272641 is an apocalyptic number.

It is an amenable number.

255272641 is a deficient number, since it is larger than the sum of its proper divisors (21147029).

255272641 is a wasteful number, since it uses less digits than its factorization.

255272641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510515 (or 1510502 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 255272641 is about 15977.2538629140. The cubic root of 255272641 is about 634.3584907446.

The spelling of 255272641 in words is "two hundred fifty-five million, two hundred seventy-two thousand, six hundred forty-one".