254605321 has 4 divisors (see below), whose sum is σ = 256463892. Its totient is φ = 252746752.

The previous prime is 254605283. The next prime is 254605333. The reversal of 254605321 is 123506452.

254605321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 100721296 + 153884025 = 10036^2 + 12405^2 .

It is a cyclic number.

It is not a de Polignac number, because 254605321 - 2⁹ = 254604809 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 254605321.

It is not an unprimeable number, because it can be changed into a prime (254605921) 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, 929080 + ... + 929353.

It is an arithmetic number, because the mean of its divisors is an integer number (64115973).

Almost surely, 2^254605321 is an apocalyptic number.

It is an amenable number.

254605321 is a deficient number, since it is larger than the sum of its proper divisors (1858571).

254605321 is a wasteful number, since it uses less digits than its factorization.

254605321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858570.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 254605321 is about 15956.3567583581. The cubic root of 254605321 is about 633.8052397622.

The spelling of 254605321 in words is "two hundred fifty-four million, six hundred five thousand, three hundred twenty-one".