254533453121 has 4 divisors (see below), whose sum is σ = 258332459952. Its totient is φ = 250734446292.

The previous prime is 254533453093. The next prime is 254533453147. The reversal of 254533453121 is 121354335452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254533453121 - 2²² = 254529258817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254533453021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1899503315 + ... + 1899503448.

It is an arithmetic number, because the mean of its divisors is an integer number (64583114988).

Almost surely, 2^254533453121 is an apocalyptic number.

It is an amenable number.

254533453121 is a deficient number, since it is larger than the sum of its proper divisors (3799006831).

254533453121 is an equidigital number, since it uses as much as digits as its factorization.

254533453121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3799006830.

The product of its digits is 216000, while the sum is 38.

Adding to 254533453121 its reverse (121354335452), we get a palindrome (375887788573).

The spelling of 254533453121 in words is "two hundred fifty-four billion, five hundred thirty-three million, four hundred fifty-three thousand, one hundred twenty-one".