254989285 has 4 divisors (see below), whose sum is σ = 305987148. Its totient is φ = 203991424.

The previous prime is 254989279. The next prime is 254989289. The reversal of 254989285 is 582989452.

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 135699201 + 119290084 = 11649^2 + 10922^2 .

It is a cyclic number.

It is not a de Polignac number, because 254989285 - 2³ = 254989277 is a prime.

It is a super-2 number, since 2×254989285² = 130039070929622450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254989289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25498924 + ... + 25498933.

It is an arithmetic number, because the mean of its divisors is an integer number (76496787).

Almost surely, 2^254989285 is an apocalyptic number.

It is an amenable number.

254989285 is a deficient number, since it is larger than the sum of its proper divisors (50997863).

254989285 is an equidigital number, since it uses as much as digits as its factorization.

254989285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50997862.

The product of its digits is 2073600, while the sum is 52.

The square root of 254989285 is about 15968.3839194829. The cubic root of 254989285 is about 634.1236884134.

The spelling of 254989285 in words is "two hundred fifty-four million, nine hundred eighty-nine thousand, two hundred eighty-five".