255625641 has 12 divisors (see below), whose sum is σ = 373686768. Its totient is φ = 168363384.

The previous prime is 255625607. The next prime is 255625663. The reversal of 255625641 is 146526552.

255625641 is a `hidden beast` number, since 2 + 5 + 5 + 6 + 2 + 5 + 641 = 666.

It is not a de Polignac number, because 255625641 - 2⁶ = 255625577 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255625596 and 255625605.

It is not an unprimeable number, because it can be changed into a prime (255625241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170355 + ... + 171848.

It is an arithmetic number, because the mean of its divisors is an integer number (31140564).

Almost surely, 2^255625641 is an apocalyptic number.

It is an amenable number.

255625641 is a deficient number, since it is larger than the sum of its proper divisors (118061127).

255625641 is a wasteful number, since it uses less digits than its factorization.

255625641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342292 (or 342289 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 255625641 is about 15988.2970012444. The cubic root of 255625641 is about 634.6507604878.

The spelling of 255625641 in words is "two hundred fifty-five million, six hundred twenty-five thousand, six hundred forty-one".