255480281 has 8 divisors (see below), whose sum is σ = 292245120. Its totient is φ = 218782368.

The previous prime is 255480271. The next prime is 255480283. The reversal of 255480281 is 182084552.

It is a happy number.

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

It is not a de Polignac number, because 255480281 - 2¹⁸ = 255218137 is a prime.

It is a super-2 number, since 2×255480281² = 130540347959677922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255480283) 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, 8261 + ... + 24066.

It is an arithmetic number, because the mean of its divisors is an integer number (36530640).

Almost surely, 2^255480281 is an apocalyptic number.

It is an amenable number.

255480281 is a deficient number, since it is larger than the sum of its proper divisors (36764839).

255480281 is a wasteful number, since it uses less digits than its factorization.

255480281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33463.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 255480281 is about 15983.7505298350. The cubic root of 255480281 is about 634.5304408855.

It can be divided in two parts, 25 and 5480281, that multiplied together give a square (137007025 = 11705²).

The spelling of 255480281 in words is "two hundred fifty-five million, four hundred eighty thousand, two hundred eighty-one".