255072465 has 24 divisors (see below), whose sum is σ = 443545128. Its totient is φ = 135601920.

The previous prime is 255072463. The next prime is 255072479. The reversal of 255072465 is 564270552.

It can be written as a sum of positive squares in 4 ways, for example, as 63504 + 255008961 = 252^2 + 15969^2 .

It is not a de Polignac number, because 255072465 - 2¹ = 255072463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255072463) 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 23 ways as a sum of consecutive naturals, for example, 5325 + ... + 23205.

It is an arithmetic number, because the mean of its divisors is an integer number (18481047).

Almost surely, 2^255072465 is an apocalyptic number.

It is an amenable number.

255072465 is a deficient number, since it is larger than the sum of its proper divisors (188472663).

255072465 is a wasteful number, since it uses less digits than its factorization.

255072465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18209 (or 18206 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 255072465 is about 15970.9882286601. The cubic root of 255072465 is about 634.1926333680.

It can be divided in two parts, 25507 and 2465, that added together give a palindrome (27972).

The spelling of 255072465 in words is "two hundred fifty-five million, seventy-two thousand, four hundred sixty-five".