254490481 has 8 divisors (see below), whose sum is σ = 290942784. Its totient is φ = 218062320.

The previous prime is 254490479. The next prime is 254490487. The reversal of 254490481 is 184094452.

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

It is not a de Polignac number, because 254490481 - 2¹ = 254490479 is a prime.

It is a super-2 number, since 2×254490481² = 129530809839222722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 254490481.

It is not an unprimeable number, because it can be changed into a prime (254490487) 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, 37926 + ... + 44128.

It is an arithmetic number, because the mean of its divisors is an integer number (36367848).

Almost surely, 2^254490481 is an apocalyptic number.

It is an amenable number.

254490481 is a deficient number, since it is larger than the sum of its proper divisors (36452303).

254490481 is an equidigital number, since it uses as much as digits as its factorization.

254490481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12071.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 254490481 is about 15952.7577866650. The cubic root of 254490481 is about 633.7099325895.

It can be divided in two parts, 2544 and 90481, that added together give a square (93025 = 305²).

The spelling of 254490481 in words is "two hundred fifty-four million, four hundred ninety thousand, four hundred eighty-one".