254739553 has 2 divisors, whose sum is σ = 254739554. Its totient is φ = 254739552.

The previous prime is 254739547. The next prime is 254739607. The reversal of 254739553 is 355937452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154579489 + 100160064 = 12433^2 + 10008^2 .

It is a cyclic number.

It is not a de Polignac number, because 254739553 - 2²⁵ = 221185121 is a prime.

It is not a weakly prime, because it can be changed into another prime (254739853) 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 as a sum of consecutive naturals, namely, 127369776 + 127369777.

It is an arithmetic number, because the mean of its divisors is an integer number (127369777).

Almost surely, 2^254739553 is an apocalyptic number.

It is an amenable number.

254739553 is a deficient number, since it is larger than the sum of its proper divisors (1).

254739553 is an equidigital number, since it uses as much as digits as its factorization.

254739553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 43.

The square root of 254739553 is about 15960.5624274334. The cubic root of 254739553 is about 633.9166042821.

The spelling of 254739553 in words is "two hundred fifty-four million, seven hundred thirty-nine thousand, five hundred fifty-three".