255554225 has 6 divisors (see below), whose sum is σ = 316887270. Its totient is φ = 204443360.

The previous prime is 255554213. The next prime is 255554249. The reversal of 255554225 is 522455552.

It can be written as a sum of positive squares in 3 ways, for example, as 4426816 + 251127409 = 2104^2 + 15847^2 .

It is not a de Polignac number, because 255554225 - 2¹⁰ = 255553201 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5111060 + ... + 5111109.

It is an arithmetic number, because the mean of its divisors is an integer number (52814545).

Almost surely, 2^255554225 is an apocalyptic number.

255554225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255554225 is a deficient number, since it is larger than the sum of its proper divisors (61333045).

255554225 is a wasteful number, since it uses less digits than its factorization.

255554225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10222179 (or 10222174 counting only the distinct ones).

The product of its digits is 100000, while the sum is 35.

The square root of 255554225 is about 15986.0634616531. The cubic root of 255554225 is about 634.5916526455.

The spelling of 255554225 in words is "two hundred fifty-five million, five hundred fifty-four thousand, two hundred twenty-five".