255052505 has 8 divisors (see below), whose sum is σ = 306285192. Its totient is φ = 203893888.

The previous prime is 255052493. The next prime is 255052537. The reversal of 255052505 is 505250552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19245769 + 235806736 = 4387^2 + 15356^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255052505 - 2¹⁶ = 254986969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 10634 + ... + 24963.

It is an arithmetic number, because the mean of its divisors is an integer number (38285649).

Almost surely, 2^255052505 is an apocalyptic number.

It is an amenable number.

255052505 is a deficient number, since it is larger than the sum of its proper divisors (51232687).

255052505 is a wasteful number, since it uses less digits than its factorization.

255052505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37035.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 255052505 is about 15970.3633333747. The cubic root of 255052505 is about 634.1760905982.

It can be divided in two parts, 2550 and 52505, that added together give a palindrome (55055).

The spelling of 255052505 in words is "two hundred fifty-five million, fifty-two thousand, five hundred five".