254779433 has 6 divisors (see below), whose sum is σ = 260317866. Its totient is φ = 249356432.

The previous prime is 254779403. The next prime is 254779439. The reversal of 254779433 is 334977452.

254779433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 242020249 + 12759184 = 15557^2 + 3572^2 .

It is not a de Polignac number, because 254779433 - 2¹⁰ = 254778409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254779439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55460 + ... + 59877.

It is an arithmetic number, because the mean of its divisors is an integer number (43386311).

Almost surely, 2^254779433 is an apocalyptic number.

It is an amenable number.

254779433 is a deficient number, since it is larger than the sum of its proper divisors (5538433).

254779433 is an equidigital number, since it uses as much as digits as its factorization.

254779433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115431 (or 115384 counting only the distinct ones).

The product of its digits is 635040, while the sum is 44.

The square root of 254779433 is about 15961.8117079484. The cubic root of 254779433 is about 633.9496828713.

The spelling of 254779433 in words is "two hundred fifty-four million, seven hundred seventy-nine thousand, four hundred thirty-three".