255525253 has 4 divisors (see below), whose sum is σ = 258055308. Its totient is φ = 252995200.

The previous prime is 255525251. The next prime is 255525269. The reversal of 255525253 is 352525552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118330884 + 137194369 = 10878^2 + 11713^2 .

It is a cyclic number.

It is not a de Polignac number, because 255525253 - 2¹ = 255525251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255525251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264876 + ... + 1265077.

It is an arithmetic number, because the mean of its divisors is an integer number (64513827).

Almost surely, 2^255525253 is an apocalyptic number.

It is an amenable number.

255525253 is a deficient number, since it is larger than the sum of its proper divisors (2530055).

255525253 is a wasteful number, since it uses less digits than its factorization.

255525253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530054.

The product of its digits is 75000, while the sum is 34.

The square root of 255525253 is about 15985.1572716692. The cubic root of 255525253 is about 634.5676706717.

The spelling of 255525253 in words is "two hundred fifty-five million, five hundred twenty-five thousand, two hundred fifty-three".