255250513 has 4 divisors (see below), whose sum is σ = 291714880. Its totient is φ = 218786148.

The previous prime is 255250507. The next prime is 255250577. The reversal of 255250513 is 315052552.

255250513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 255250513 - 2¹³ = 255242321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255250613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18232173 + ... + 18232186.

It is an arithmetic number, because the mean of its divisors is an integer number (72928720).

Almost surely, 2^255250513 is an apocalyptic number.

It is an amenable number.

255250513 is a deficient number, since it is larger than the sum of its proper divisors (36464367).

255250513 is an equidigital number, since it uses as much as digits as its factorization.

255250513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36464366.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 255250513 is about 15976.5613634474. The cubic root of 255250513 is about 634.3401606822.

The spelling of 255250513 in words is "two hundred fifty-five million, two hundred fifty thousand, five hundred thirteen".