255028641 has 16 divisors (see below), whose sum is σ = 388838400. Its totient is φ = 145646928.

The previous prime is 255028601. The next prime is 255028643. The reversal of 255028641 is 146820552.

It is not a de Polignac number, because 255028641 - 2⁷ = 255028513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255028643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67870 + ... + 71528.

It is an arithmetic number, because the mean of its divisors is an integer number (24302400).

Almost surely, 2^255028641 is an apocalyptic number.

255028641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

255028641 is a deficient number, since it is larger than the sum of its proper divisors (133809759).

255028641 is a wasteful number, since it uses less digits than its factorization.

255028641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 255028641 is about 15969.6161819876. The cubic root of 255028641 is about 634.1563110758.

It can be divided in two parts, 25502 and 8641, that added together give a palindrome (34143).

The spelling of 255028641 in words is "two hundred fifty-five million, twenty-eight thousand, six hundred forty-one".