255078013 has 8 divisors (see below), whose sum is σ = 278795520. Its totient is φ = 232328640.

The previous prime is 255077993. The next prime is 255078023. The reversal of 255078013 is 310870552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255078013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255078023) 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 7 ways as a sum of consecutive naturals, for example, 241483 + ... + 242536.

It is an arithmetic number, because the mean of its divisors is an integer number (34849440).

Almost surely, 2^255078013 is an apocalyptic number.

It is an amenable number.

255078013 is a deficient number, since it is larger than the sum of its proper divisors (23717507).

255078013 is a wasteful number, since it uses less digits than its factorization.

255078013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484067.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 255078013 is about 15971.1619176565. The cubic root of 255078013 is about 634.1972313753.

The spelling of 255078013 in words is "two hundred fifty-five million, seventy-eight thousand, thirteen".