255078481 has 8 divisors (see below), whose sum is σ = 299397440. Its totient is φ = 212729328.

The previous prime is 255078457. The next prime is 255078491. The reversal of 255078481 is 184870552.

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

It is not a de Polignac number, because 255078481 - 2⁹ = 255077969 is a prime.

It is a super-2 number, since 2×255078481² = 130130062938534722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255078431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492171 + ... + 492688.

It is an arithmetic number, because the mean of its divisors is an integer number (37424680).

Almost surely, 2^255078481 is an apocalyptic number.

It is an amenable number.

255078481 is a deficient number, since it is larger than the sum of its proper divisors (44318959).

255078481 is an equidigital number, since it uses as much as digits as its factorization.

255078481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984903.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 255078481 is about 15971.1765690571. The cubic root of 255078481 is about 634.1976192359.

The spelling of 255078481 in words is "two hundred fifty-five million, seventy-eight thousand, four hundred eighty-one".