254121213 has 8 divisors (see below), whose sum is σ = 338915008. Its totient is φ = 169370784.

The previous prime is 254121187. The next prime is 254121221. The reversal of 254121213 is 312121452.

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

It is not a de Polignac number, because 254121213 - 2⁶ = 254121149 is a prime.

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 254121213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254121223) 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, 7056 + ... + 23622.

It is an arithmetic number, because the mean of its divisors is an integer number (42364376).

Almost surely, 2^254121213 is an apocalyptic number.

It is an amenable number.

254121213 is a deficient number, since it is larger than the sum of its proper divisors (84793795).

254121213 is a wasteful number, since it uses less digits than its factorization.

254121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21683.

The product of its digits is 480, while the sum is 21.

The square root of 254121213 is about 15941.1797869543. The cubic root of 254121213 is about 633.4032779322.

Adding to 254121213 its reverse (312121452), we get a palindrome (566242665).

The spelling of 254121213 in words is "two hundred fifty-four million, one hundred twenty-one thousand, two hundred thirteen".