255305353 has 4 divisors (see below), whose sum is σ = 255372868. Its totient is φ = 255237840.

The previous prime is 255305333. The next prime is 255305383. The reversal of 255305353 is 353503552.

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 11102224 + 244203129 = 3332^2 + 15627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255305353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255305333) 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, 27726 + ... + 35767.

It is an arithmetic number, because the mean of its divisors is an integer number (63843217).

Almost surely, 2^255305353 is an apocalyptic number.

It is an amenable number.

255305353 is a deficient number, since it is larger than the sum of its proper divisors (67515).

255305353 is an equidigital number, since it uses as much as digits as its factorization.

255305353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67514.

The product of its (nonzero) digits is 33750, while the sum is 31.

The square root of 255305353 is about 15978.2775354542. The cubic root of 255305353 is about 634.3855862826.

The spelling of 255305353 in words is "two hundred fifty-five million, three hundred five thousand, three hundred fifty-three".