254000285 has 16 divisors (see below), whose sum is σ = 380011392. Its totient is φ = 158337600.

The previous prime is 254000261. The next prime is 254000297. The reversal of 254000285 is 582000452.

It is a de Polignac number, because none of the positive numbers 2^k-254000285 is a prime.

It is a super-2 number, since 2×254000285² = 129032289560162450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 329486 + ... + 330255.

It is an arithmetic number, because the mean of its divisors is an integer number (23750712).

Almost surely, 2^254000285 is an apocalyptic number.

It is an amenable number.

254000285 is a deficient number, since it is larger than the sum of its proper divisors (126011107).

254000285 is a wasteful number, since it uses less digits than its factorization.

254000285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659764.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 254000285 is about 15937.3863917519. The cubic root of 254000285 is about 633.3027900013.

The spelling of 254000285 in words is "two hundred fifty-four million, two hundred eighty-five", and thus it is an aban number.