255345015 has 16 divisors (see below), whose sum is σ = 432584928. Its totient is φ = 128173056.

The previous prime is 255344959. The next prime is 255345017. The reversal of 255345015 is 510543552.

It is a happy number.

It is not a de Polignac number, because 255345015 - 2⁸ = 255344759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255345017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500422 + ... + 500931.

It is an arithmetic number, because the mean of its divisors is an integer number (27036558).

Almost surely, 2^255345015 is an apocalyptic number.

255345015 is a deficient number, since it is larger than the sum of its proper divisors (177239913).

255345015 is a wasteful number, since it uses less digits than its factorization.

255345015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001378.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 255345015 is about 15979.5186097704. The cubic root of 255345015 is about 634.4184354415.

Adding to 255345015 its reverse (510543552), we get a palindrome (765888567).

The spelling of 255345015 in words is "two hundred fifty-five million, three hundred forty-five thousand, fifteen".