254728567 has 4 divisors (see below), whose sum is σ = 254779240. Its totient is φ = 254677896.

The previous prime is 254728549. The next prime is 254728597. The reversal of 254728567 is 765827452.

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

It is a cyclic number.

It is not a de Polignac number, because 254728567 - 2¹⁵ = 254695799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254728597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16848 + ... + 28165.

It is an arithmetic number, because the mean of its divisors is an integer number (63694810).

Almost surely, 2^254728567 is an apocalyptic number.

254728567 is a deficient number, since it is larger than the sum of its proper divisors (50673).

254728567 is an equidigital number, since it uses as much as digits as its factorization.

254728567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50672.

The product of its digits is 940800, while the sum is 46.

The square root of 254728567 is about 15960.2182629186. The cubic root of 254728567 is about 633.9074913040.

The spelling of 254728567 in words is "two hundred fifty-four million, seven hundred twenty-eight thousand, five hundred sixty-seven".