255652515 has 12 divisors (see below), whose sum is σ = 443131104. Its totient is φ = 136347984.

The previous prime is 255652459. The next prime is 255652519. The reversal of 255652515 is 515256552.

255652515 is a `hidden beast` number, since 2 + 556 + 52 + 51 + 5 = 666.

It is not a de Polignac number, because 255652515 - 2⁹ = 255652003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255652515.

It is not an unprimeable number, because it can be changed into a prime (255652519) 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 11 ways as a sum of consecutive naturals, for example, 2840539 + ... + 2840628.

It is an arithmetic number, because the mean of its divisors is an integer number (36927592).

Almost surely, 2^255652515 is an apocalyptic number.

255652515 is a deficient number, since it is larger than the sum of its proper divisors (187478589).

255652515 is a wasteful number, since it uses less digits than its factorization.

255652515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681178 (or 5681175 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The square root of 255652515 is about 15989.1374063769. The cubic root of 255652515 is about 634.6730000498.

The spelling of 255652515 in words is "two hundred fifty-five million, six hundred fifty-two thousand, five hundred fifteen".