255764225 has 24 divisors (see below), whose sum is σ = 334844640. Its totient is φ = 193259520.

The previous prime is 255764213. The next prime is 255764227. The reversal of 255764225 is 522467552.

It is a happy number.

It is not a de Polignac number, because 255764225 - 2¹⁰ = 255763201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255764227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221249 + ... + 222401.

It is an arithmetic number, because the mean of its divisors is an integer number (13951860).

Almost surely, 2^255764225 is an apocalyptic number.

255764225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255764225 is a deficient number, since it is larger than the sum of its proper divisors (79080415).

255764225 is a wasteful number, since it uses less digits than its factorization.

255764225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1644 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

The square root of 255764225 is about 15992.6303340007. The cubic root of 255764225 is about 634.7654288904.

The spelling of 255764225 in words is "two hundred fifty-five million, seven hundred sixty-four thousand, two hundred twenty-five".