254041221 has 8 divisors (see below), whose sum is σ = 387110464. Its totient is φ = 145166400.

The previous prime is 254041213. The next prime is 254041237. The reversal of 254041221 is 122140452.

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

It is not a de Polignac number, because 254041221 - 2³ = 254041213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 12097201 = 254041221 / (2 + 5 + 4 + 0 + 4 + 1 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254041261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6048580 + ... + 6048621.

It is an arithmetic number, because the mean of its divisors is an integer number (48388808).

Almost surely, 2^254041221 is an apocalyptic number.

254041221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

254041221 is a deficient number, since it is larger than the sum of its proper divisors (133069243).

254041221 is a wasteful number, since it uses less digits than its factorization.

254041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12097211.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 254041221 is about 15938.6706158324. The cubic root of 254041221 is about 633.3368102918.

Adding to 254041221 its reverse (122140452), we get a palindrome (376181673).

The spelling of 254041221 in words is "two hundred fifty-four million, forty-one thousand, two hundred twenty-one".