255001115 has 16 divisors (see below), whose sum is σ = 323813376. Its totient is φ = 192376800.

The previous prime is 255001093. The next prime is 255001121. The reversal of 255001115 is 511100552.

It is a happy number.

It is not a de Polignac number, because 255001115 - 2⁸ = 255000859 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7451 + ... + 23780.

It is an arithmetic number, because the mean of its divisors is an integer number (20238336).

Almost surely, 2^255001115 is an apocalyptic number.

255001115 is a deficient number, since it is larger than the sum of its proper divisors (68812261).

255001115 is a wasteful number, since it uses less digits than its factorization.

255001115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31330.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 255001115 is about 15968.7543346374. The cubic root of 255001115 is about 634.1334947957.

Adding to 255001115 its reverse (511100552), we get a palindrome (766101667).

The spelling of 255001115 in words is "two hundred fifty-five million, one thousand, one hundred fifteen".