254354561 has 4 divisors (see below), whose sum is σ = 269316612. Its totient is φ = 239392512.

The previous prime is 254354549. The next prime is 254354599. The reversal of 254354561 is 165453452.

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 206468161 + 47886400 = 14369^2 + 6920^2 .

It is a cyclic number.

It is not a de Polignac number, because 254354561 - 2¹⁴ = 254338177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254354531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7481000 + ... + 7481033.

It is an arithmetic number, because the mean of its divisors is an integer number (67329153).

Almost surely, 2^254354561 is an apocalyptic number.

It is an amenable number.

254354561 is a deficient number, since it is larger than the sum of its proper divisors (14962051).

254354561 is a wasteful number, since it uses less digits than its factorization.

254354561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14962050.

The product of its digits is 72000, while the sum is 35.

The square root of 254354561 is about 15948.4971392291. The cubic root of 254354561 is about 633.5970938007.

The spelling of 254354561 in words is "two hundred fifty-four million, three hundred fifty-four thousand, five hundred sixty-one".