255435613 has 4 divisors (see below), whose sum is σ = 255516028. Its totient is φ = 255355200.

The previous prime is 255435611. The next prime is 255435619. The reversal of 255435613 is 316534552.

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 232806564 + 22629049 = 15258^2 + 4757^2 .

It is a cyclic number.

It is not a de Polignac number, because 255435613 - 2¹ = 255435611 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 (255435611) 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 3 ways as a sum of consecutive naturals, for example, 35238 + ... + 41863.

It is an arithmetic number, because the mean of its divisors is an integer number (63879007).

Almost surely, 2^255435613 is an apocalyptic number.

It is an amenable number.

255435613 is a deficient number, since it is larger than the sum of its proper divisors (80415).

255435613 is an equidigital number, since it uses as much as digits as its factorization.

255435613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80414.

The product of its digits is 54000, while the sum is 34.

The square root of 255435613 is about 15982.3531746736. The cubic root of 255435613 is about 634.4934584387.

The spelling of 255435613 in words is "two hundred fifty-five million, four hundred thirty-five thousand, six hundred thirteen".