254543212 has 48 divisors (see below), whose sum is σ = 556835328. Its totient is φ = 98910720.

The previous prime is 254543207. The next prime is 254543221. The reversal of 254543212 is 212345452.

It is a Harshad number since it is a multiple of its sum of digits (28).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149148 + ... + 150844.

It is an arithmetic number, because the mean of its divisors is an integer number (11600736).

Almost surely, 2^254543212 is an apocalyptic number.

254543212 is a gapful number since it is divisible by the number (22) 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 254543212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278417664).

254543212 is an abundant number, since it is smaller than the sum of its proper divisors (302292116).

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

254543212 is a wasteful number, since it uses less digits than its factorization.

254543212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206 (or 2204 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 254543212 is about 15954.4104247070. The cubic root of 254543212 is about 633.7536982746.

Adding to 254543212 its reverse (212345452), we get a palindrome (466888664).

The spelling of 254543212 in words is "two hundred fifty-four million, five hundred forty-three thousand, two hundred twelve".