254563816 has 64 divisors (see below), whose sum is σ = 553835520. Its totient is φ = 108725760.

The previous prime is 254563789. The next prime is 254563817. The reversal of 254563816 is 618365452.

254563816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (254563817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72436 + ... + 75868.

It is an arithmetic number, because the mean of its divisors is an integer number (8653680).

Almost surely, 2^254563816 is an apocalyptic number.

254563816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254563816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276917760).

254563816 is an abundant number, since it is smaller than the sum of its proper divisors (299271704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254563816 is a wasteful number, since it uses less digits than its factorization.

254563816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506 (or 3502 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 254563816 is about 15955.0561265074. The cubic root of 254563816 is about 633.7707975440.

The spelling of 254563816 in words is "two hundred fifty-four million, five hundred sixty-three thousand, eight hundred sixteen".