255025090 has 16 divisors (see below), whose sum is σ = 471452472. Its totient is φ = 99252864.

The previous prime is 255025063. The next prime is 255025093. The reversal of 255025090 is 90520552.

It can be written as a sum of positive squares in 4 ways, for example, as 255008961 + 16129 = 15969^2 + 127^2 .

It is not an unprimeable number, because it can be changed into a prime (255025093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 344259 + ... + 344998.

Almost surely, 2^255025090 is an apocalyptic number.

255025090 is a deficient number, since it is larger than the sum of its proper divisors (216427382).

255025090 is a wasteful number, since it uses less digits than its factorization.

255025090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689301.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 255025090 is about 15969.5050017212. The cubic root of 255025090 is about 634.1533677469.

It can be divided in two parts, 2550250 and 90, that multiplied together give a square (229522500 = 15150²).

The spelling of 255025090 in words is "two hundred fifty-five million, twenty-five thousand, ninety".