254480821 has 8 divisors (see below), whose sum is σ = 290931840. Its totient is φ = 218053968.

The previous prime is 254480819. The next prime is 254480839. The reversal of 254480821 is 128084452.

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

It is a cyclic number.

It is not a de Polignac number, because 254480821 - 2¹ = 254480819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254480801) 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, 36840 + ... + 43198.

It is an arithmetic number, because the mean of its divisors is an integer number (36366480).

Almost surely, 2^254480821 is an apocalyptic number.

It is an amenable number.

254480821 is a deficient number, since it is larger than the sum of its proper divisors (36451019).

254480821 is an equidigital number, since it uses as much as digits as its factorization.

254480821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12083.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 254480821 is about 15952.4550148245. The cubic root of 254480821 is about 633.7019143257.

The spelling of 254480821 in words is "two hundred fifty-four million, four hundred eighty thousand, eight hundred twenty-one".