254355341321 has 4 divisors (see below), whose sum is σ = 254386109700. Its totient is φ = 254324572944.

The previous prime is 254355341267. The next prime is 254355341327. The reversal of 254355341321 is 123143553452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93903022096 + 160452319225 = 306436^2 + 400565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254355341321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254355341327) 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, 15371786 + ... + 15388323.

It is an arithmetic number, because the mean of its divisors is an integer number (63596527425).

Almost surely, 2^254355341321 is an apocalyptic number.

It is an amenable number.

254355341321 is a deficient number, since it is larger than the sum of its proper divisors (30768379).

254355341321 is an equidigital number, since it uses as much as digits as its factorization.

254355341321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30768378.

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

Adding to 254355341321 its reverse (123143553452), we get a palindrome (377498894773).

The spelling of 254355341321 in words is "two hundred fifty-four billion, three hundred fifty-five million, three hundred forty-one thousand, three hundred twenty-one".